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1. Multimodal Plasmonics in Fused Colloidal Networks

Author

Teulle, Alexandre, Bosman, M., Girard, C., Gurunatha, Kargal L., Li, Mei, Mann, Stephen, and Dujardin, Erik

Subjects
Physics - Optics, Condensed Matter - Materials Science
Abstract

Harnessing the optical properties of noble metals down to the nanometer-scale is a key step towards fast and low-dissipative information processing. At the 10-nm length scale, metal crystallinity and patterning as well as probing of surface plasmon (SP) properties must be controlled with a challenging high level of precision. Here, we demonstrate that ultimate lateral confinement and delocalization of SP modes are simultaneously achieved in extended self-assembled networks comprising linear chains of partially fused gold nanoparticles. The spectral and spatial distributions of the SP modes associated with the colloidal superstructures are evidenced by performing monochromated electron energy loss spectroscopy with a nanometer-sized electron probe. We prepare the metallic bead strings by electron beam-induced interparticle fusion of nanoparticle networks. The fused superstructures retain the native morphology and crystallinity but develop very low energy SP modes that are capable of supporting long range and spectrally tunable propagation in nanoscale waveguides.

Published
2014
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4. Micro PA detector: pushing the limits of mid IR photoacoustic spectroscopy integrated on silicon

Author

Alexandre Teulle, Thierry Verdot, Alain Glière, Jean-Guillaume Coutard, Helene Lhermet, Benjamin Scherer, Thomas Strahl, and Audrey Berthelot

Subjects
Microelectromechanical systems, Frequency response, Nanoelectromechanical systems, Materials science, business.industry, Detector, Optoelectronics, Wafer, Photonics, business, Piezoresistive effect, Photoacoustic spectroscopy
Abstract

Photoacoustic (PA) spectroscopy is one of the most sensitive technique used to monitor chemical emission or detect gas traces. Coupled to quantum cascade lasers, this system is widely used in a large number of application fields from industrial control to health monitoring. Mass production for a large dissemination of such systems requires however further development for both decreasing their footprint and manufacturing cost. Since the last 6 years CEA-LETI has developed different versions of miniaturized photoacoustic cells. We have already demonstrated the detection of gas traces with a tiny silicon based-PA cell. Nevertheless, this first result was obtained with commercial MEMS microphones. Even if these components are reliable and enough performant they are not dedicated to photoacoustic gas detection and cannot be easily integrated into a fabrication process flow. To cope with these issues we suggest using both the M&NEMS technology and the MIR photonics. The new PAdetector termed microPA is built by stacking two 200 mm wafers: a sensor wafer, which includes the microphone (MEMS mechanical diaphragm and NEMS piezoresistive gauges), capillaries and fluidic ports, and a cap wafer, which includes the PA cell, the expansion volume, SiGe waveguides guiding the light into the PA cell, metal routing and electric contacts. Frequency response measurements as well as PA gas detection have been carried out. The system shows a mechanical resonance of the diaphragm at the frequency of 6500 Hz, in good agreement with the simulation. First CO2 and CH4 tests in laboratory condition demonstrates a limit of detection in the ppm range and a NNEA of 10-8 W.cm-1.Hz-1/2.

Published
2020
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5. Downsizing and Silicon Integration of Photoacoustic Gas Cells

Author

Gliere, Alain, Barritault, Pierre, Berthelot, Audrey, Constancias, Christophe, Coutard, Jean-guillaume, Deslosges, Brigitte, Durrafourg, Laurent, Fedeli, Jean-marc, Garcia, Marine, Lartigue, Olivier, Lhermet, Hélène, Marchant, Adrien, Rouxel, Justin, Skubich, Jules, Teulle, Alexandre, Verdot, Thierry, Nicoletti, Sergio, Gliere, Alain, Barritault, Pierre, Berthelot, Audrey, Constancias, Christophe, Coutard, Jean-guillaume, Deslosges, Brigitte, Durrafourg, Laurent, Fedeli, Jean-marc, Garcia, Marine, Lartigue, Olivier, Lhermet, Hélène, Marchant, Adrien, Rouxel, Justin, Skubich, Jules, Teulle, Alexandre, Verdot, Thierry, and Nicoletti, Sergio

Abstract

Downsizing and compatibility with MEMS silicon foundries is an attractive path towards a large diffusion of photoacoustic trace gas sensors. As the photoacoustic signal scales inversely with the chamber volume, a trend to miniaturization has been followed by several teams. We review in this article the approach initiated several years ago in our laboratory. Three generations of components, namely a 40 mm3 3D-printed cell, a 3.7 mm3 silicon cell, and a 2.3 mm3 silicon cell with a built-in piezoresistive pressure sensor, have been designed. The models used take into account the viscous and thermal losses, which cannot be neglected for such small-sized resonators. The components have been fabricated either by additive manufacturing or microfabrication and characterized. Based on a compilation of experimental data, a similar sub-ppm limit of detection is demonstrated. All three versions of photoacoustic cells have their own domain of operation as each one has benefits and drawbacks, regarding fabrication, implementation, and ease of use.

Published
2020
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7. Visible to mid-infrared integrated sensors for air quality measurement

Author

Pierre Labeye, Cécile Jamois, Maryse Fournier, Salim Boutami, Jean-Guillaume Coutard, Pierre Barritault, Alain Glière, Olivier Lartigue, Laurent Duraffourg, Emerick Lorent, Jean-Marc Fedeli, Christophe Constancias, Christian Seassal, Sergio Nicoletti, Jules Skubich, Gabriel Jobert, Alexandre Teulle, Adrien Marchant, Commissariat à l'énergie atomique et aux énergies alternatives - Laboratoire d'Electronique et de Technologie de l'Information (CEA-LETI), Direction de Recherche Technologique (CEA) (DRT (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA), Département d'Optronique (DOPT), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Direction de Recherche Technologique (CEA) (DRT (CEA)), BIOASTER Microbiology Technology Institute [Lyon], INL - Nanophotonique (INL - Photonique), Institut des Nanotechnologies de Lyon (INL), Centre National de la Recherche Scientifique (CNRS)-Institut National des Sciences Appliquées de Lyon (INSA Lyon), Université de Lyon-Institut National des Sciences Appliquées (INSA)-Université de Lyon-Institut National des Sciences Appliquées (INSA)-École Centrale de Lyon (ECL), Université de Lyon-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-École supérieure de Chimie Physique Electronique de Lyon (CPE)-Centre National de la Recherche Scientifique (CNRS)-Institut National des Sciences Appliquées de Lyon (INSA Lyon), Université de Lyon-École supérieure de Chimie Physique Electronique de Lyon (CPE), Département Intégration Hétérogène sur Silicium (DIHS), Commissariat à l'énergie atomique et aux énergies alternatives (CEA), École Centrale de Lyon (ECL), Université de Lyon-Université de Lyon-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-École Supérieure de Chimie Physique Électronique de Lyon (CPE)-Institut National des Sciences Appliquées de Lyon (INSA Lyon), Université de Lyon-Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Centre National de la Recherche Scientifique (CNRS)-École Centrale de Lyon (ECL), and Université de Lyon-Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Centre National de la Recherche Scientifique (CNRS)

Subjects
Materials science, Silicon, chemistry.chemical_element, 02 engineering and technology, 7. Clean energy, 01 natural sciences, law.invention, 010309 optics, law, 0103 physical sciences, Thermal, [SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, Image sensor, ComputingMilieux_MISCELLANEOUS, Astrophysics::Galaxy Astrophysics, Plasmon, business.industry, Particulates, 021001 nanoscience & nanotechnology, Laser, chemistry, Cascade, [SPI.OPTI]Engineering Sciences [physics]/Optics / Photonic, Optoelectronics, 0210 nano-technology, business, Refractive index
Abstract

We present several integrated technologies on Silicon, from visible to mid-infrared, for particulate matter and gas detection. We present new concepts to detect in the visible particulate matter with a high sensitivity and a discrimination of both particle sizes and refractive indices. For gas detection, mid-infrared technologies developments include on one hand, microhotplate thermal emitters, as a cheap solution for gas sensing, eventually enhanced by plasmonics, and on the other hand quantum cascade lasers-based photoacoustic sensors, for high precision measurement, and for which the integration on Silicon is pushed forward for a reduction of costs.

Published
2019
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8. Plus-value d'un learning game par rapport à un module e-learning

Author

Teulle, Margaux, Université Grenoble Alpes - UFR Langage, lettres et arts du spectacle, information et communication - Dpt Sciences du langage et français langue étrangère (UGA UFR LLASIC SLFLE), Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), SmartCanal, 12 rue Ampère, 38000 Grenoble, and Elke Nissen

Subjects
Module, Learning game, Game, Learning, E-learning, Apprentissage, Ludique, [SHS]Humanities and Social Sciences
Abstract

The digital aspect is becoming more and more typical for all kinds of learning: classroom, distance or blended. The companies seek for the means to train their employees in a most effective way possible, while, at the same time, suggesting attractive courses. One of the possible solutions is to introduce a learning game because it brings a fun aspect in otherwise serious environment, which allows to increase learners’ motivation. Besides, a learning game brings a certain variety in learning: in comparison with traditional learning, it is more unusual for employees. The main goal of the current paper is to explore the reasons to implement a learning game rather than an e-learning module. I have collected various opinions of experts on this issue. Moreover, I have created a learning game for a company that decided to switch to this form of learning after consequently using traditional e-learning modules.; Alors que le numérique se démocratise toujours plus dans le milieu de la formation, que ce soit en présentiel, à distance, ou dans une modalité hybride qui mélange les deux, les entreprises cherchent à former leurs employés toujours plus efficacement mais également à ce que ces formations soient agréables. Pour cela, le jeu est beaucoup étudié car dans un contexte sérieux, son aspect ludique permet de motiver les apprenants, et également de varier d’une formation plus traditionnelle dont ils ont déjà trop l’habitude et qui les lasse. Ainsi, je m’intéresse dans ce mémoire aux raisons de choisir le format du learning game pour une formation à distance, par rapport à un module e-learning. J’ai recueilli l’avis de divers professionnels à propos de ce choix, et également conçu un learning game pour une entreprise qui a choisi de tester ce format, après plusieurs modules e-learning.

Published
2019

9. Micro-Photoacoustic Cell with Integrated Microphone for Sub-Ppm Gas Sensing

Author

Jean-Guillaume Coutard, Frederic Souchon, Alexandre Teulle, B. Desloges, Jean-Marc Fedeli, Alain Glière, Helene Lhermet, Thierry Verdot, Maryse Fournier, and Audrey Berthelot

Subjects
Microelectromechanical systems, Materials science, business.industry, Microphone, 010401 analytical chemistry, Detector, Parts-per notation, 020206 networking & telecommunications, 02 engineering and technology, 01 natural sciences, 0104 chemical sciences, Trace gas, law.invention, Transducer, law, 0202 electrical engineering, electronic engineering, information engineering, Miniaturization, Optoelectronics, business, Quantum cascade laser
Abstract

This paper demonstrates, for the first time, an on-chip integration of a photoacoustic (PA) detector, one of the main building blocks required for chemical sensing. This MEMS PA detector consists of a miniaturized PA cell within an acoustic transducer based on an innovative microphone architecture. Coupled with a quantum cascade laser (QCL) source, this trace gas detector can measure very low concentrations of less than one part per million.

Published
2019
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10. Challenges in the Miniaturization of Mid-IR Sensors Fully Integrated on Si

Author

Maryse Fournier, Alain Glière, Laurent Duraffourg, Alexandre Teulle, Adrien Marchant, Pierre Labeye, Pierre Barritault, Jean-Marc Fedeli, Jean Guillaume Coutard, and Sergio Nicoletti

Subjects
Materials science, Materials processing, Silicon photonics, business.industry, Overtone, Miniaturization, Optoelectronics, Spectroscopy, Highly selective, Absorption (electromagnetic radiation), business, Order of magnitude
Abstract

The Mid-IR spectral range (2.5 μm up to 12 μm) has been considered as the paradigm for innovative silicon photonic devices. In less than a decade, chemical sensing has become a key application for Mid-IR silicon photonic devices because of the growing potential in spectroscopy, materials processing, chemical and biomolecular sensing, security and industry application. Measuring in this spectral range, usually called fingerprint region, allows to address a unique combination of fundamental absorption bands order of magnitude stronger than overtone and combination bands in the near IR. This feature provides highly selective, sensitive and unequivocal identification of the chemicals.

Published
2019
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11. Miniaturization of mid-IR sensors on Si: challenges and perspectives

Author

Jean-Guillaume Coutard, Alain Glière, Pierre Barritault, Maryse Fournier, Jean-Marc Fedeli, Sergio Nicoletti, Alexandre Teulle, Adrien Marchant, Laurent Duraffourg, and Pierre Labeye

Subjects
Silicon photonics, business.industry, Computer science, Detector, Chip, Arrayed waveguide grating, law.invention, law, Cascade, Miniaturization, Optoelectronics, Photonics, Routing (electronic design automation), business
Abstract

The Mid-IR spectral range (2.5 μm up to 12 μm) has been considered as the paradigm for innovative silicon photonic devices. In less than a decade, chemical sensing has become a key application for Mid-IR silicon photonic devices because of the growing potential in spectroscopy, materials processing, chemical and biomolecular sensing, security and industry applications. Measuring in this spectral range, usually called molecule fingerprint region, allows to address a unique combination of fundamental absorption bands orders of magnitude stronger than overtone and combination bands in the near IR. This feature provides highly selective, sensitive and unequivocal identification of the chemicals. Progress in Cascade Laser technology (QCL and ICL) allows to select emission wavelengths suitable to target the detection of specific chemicals. With these sources, novel spectroscopic tools allowing real-time in-situ detection of gasses down to traces are nowadays commercially available. Mid-IR Si photonics has developed a novel class of integrated components leading to the integration at chip level of the main building blocks required for chemical sensing, i.e. the source, the PICs and the detector. Three main directions of improvement can be drawn: i) extend the range of wavelengths available from a single source, ii) move beam handling and routing from discrete optics to PICs and iii) investigate detection schemes for a fully integrated on-chip sensing. This paper reviews recent key achievements in the miniaturization and the co-integration of photonics devices at chip and packaging level to address cost, size and power consumption. Perspectives on potential applications will also be presented.

Published
2019
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12. Photoacoustic cell on silicon for mid-infrared QCL-based spectroscopic analysis

Author

Olivier Lartigue, Alexandre Teulle, Mathieu Carras, Jules Skubich, Laurent Duraffourg, Jean-Guillaume Coutard, Guillaume Aoust, Alain Glière, Thomas Strahl, Jean-Marc Fedeli, and Sergio Nicoletti

Subjects
Materials science, Silicon, business.industry, Capacitive sensing, Detector, chemistry.chemical_element, Optical power, 02 engineering and technology, 021001 nanoscience & nanotechnology, Laser, 01 natural sciences, 7. Clean energy, law.invention, 010309 optics, CMOS, chemistry, law, 0103 physical sciences, Optoelectronics, Wafer, Photonics, 0210 nano-technology, business
Abstract

Photoacoustic (PA) spectroscopy is among the most sensitive techniques used to monitor chemical emission or detect gas traces. In the mid-infrared, where most of gases of interest have their strongest absorption lines, this technique takes advantage of the high optical power and room temperature operation of quantum cascade lasers (QCL). We have recently demonstrated that centimeter-size PA cells can compete, with bulky commercial systems for gas sensing without any compromises on performances. We demonstrate a new step towards cost reduction, extreme integration, and mass deployment of such PA sensors with a miniaturized silicon PA-cell fabricated on standard CMOS tools. The design, fabrication and characterizations of this new sub-centimeter PA cell built on a silicon platform are presented. First, the component has been designed using a detailed physical model, accounting for viscous and thermal losses, and metamodel-based optimization techniques. Second, it has been fabricated on our 200 mm CMOS pilot line. Several wafers have been released and diced. Single chips have then been assembled with commercial capacitive microphones and finally characterized on our reference gas bench. The photoacoustic simulations and the acoustics experiments are in a good agreement. The tiny PA cell exhibits a sensitivity down to the ppm level for CO2 at 2300 cm-1, as well as for CH4 at 3057 cm-1 even in a gas flow. Taking advantage of the integration of QCLs on Si and photonic circuitry, the silicon PA cell concept is currently being extended towards a fully integrated multigas detector.

Published
2019
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13. Visible to mid-infrared integrated sensors for air quality measurement

Author

Boutami, Salim, primary, Jobert, Gabriel, additional, Barritault, Pierre, additional, Coutard, Jean-Guillaume, additional, Fournier, Maryse, additional, Fédéli, Jean-Marc, additional, Labeye, Pierre, additional, Marchant, Adrien, additional, Skubich, Jules, additional, Teulle, Alexandre, additional, Lartigue, Olivier, additional, Lorent, Emerick, additional, Glière, Alain, additional, Constancias, Christophe, additional, Nicoletti, Sergio, additional, Jamois, Cecile, additional, Seassal, Christian, additional, and Duraffourg, Laurent, additional

Published
2019
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17. Miniaturization of mid-IR sensors on Si: challenges and perspectives

Author

Nicoletti, Sergio, primary, Fédéli, Jean-Marc, additional, Fournier, Maryse, additional, Labeye, Pierre, additional, Barritault, Pierre, additional, Marchant, Adrien, additional, Glière, Alain, additional, Teulle, Alexandre, additional, Coutard, Jean-Guillaume, additional, and Duraffourg, Laurent, additional

Published
2019
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18. Photochemical Mapping of the Multimodal Plasmonic Response of 2D Gold Crystals

Author

Audrey Sanchot, Eléna Ishow, Alexandre Teulle, Jadab Sharma, Erik Dujardin, Groupe NanoSciences (CEMES-GNS), Centre d'élaboration de matériaux et d'études structurales (CEMES), Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Institut National des Sciences Appliquées (INSA)-Université de Toulouse (UT)-Institut National des Sciences Appliquées (INSA)-Université de Toulouse (UT)-Institut de Chimie de Toulouse (ICT), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT)-Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT)-Centre National de la Recherche Scientifique (CNRS)-Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Université de Toulouse (UT)-Centre National de la Recherche Scientifique (CNRS), Chimie Et Interdisciplinarité : Synthèse, Analyse, Modélisation (CEISAM), Université de Nantes - UFR des Sciences et des Techniques (UN UFR ST), Université de Nantes (UN)-Université de Nantes (UN)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS), Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Chimie de Toulouse (ICT-FR 2599), Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Institut de Chimie du CNRS (INC)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Institut de Chimie du CNRS (INC)-Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Université Toulouse III - Paul Sabatier (UT3), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA), and Université de Nantes (UN)-Université de Nantes (UN)-Centre National de la Recherche Scientifique (CNRS)-Institut de Chimie du CNRS (INC)

Subjects
Materials science, Physics::Optics, 02 engineering and technology, 01 natural sciences, chemistry.chemical_compound, Electric field, 0103 physical sciences, Irradiation, Physical and Theoretical Chemistry, 010306 general physics, Plasmon, chemistry.chemical_classification, [PHYS]Physics [physics], Mesoscopic physics, business.industry, Polymer, 021001 nanoscience & nanotechnology, Surfaces, Coatings and Films, Electronic, Optical and Magnetic Materials, General Energy, Azobenzene, chemistry, Optoelectronics, Monochromatic color, 0210 nano-technology, business, Excitation
Abstract

cited By 0; International audience; The properties of hybrid plasmonic structures comprising a molecular ultrathin film of photoactive azobenzene derivatives and individual mesoscopic crystalline gold platelets are studied upon monochromatic irradiation. The spatial variation of the optical near-field produced by the excitation of high-order plasmon modes induces a net modification of the film corrugation with subwavelength pattern features. Unlike previous reports exploiting azo dye-grafted polymers, the photomigration of neat films composed of glass-forming push–pull azo compounds yields a highly resolved negative imprint of the local electric field intensity variations able to discriminate the different plasmon resonances sustained in these multimodal triangular prisms. Our experiments are in full agreement with green dyadic method simulations of near-field intensity maps and constitute both an efficient imaging technique and a way to self-align patterns of an optically active molecular medium in registry with the optical hotspots, which could be a major asset for the integration of filtering or gain media near plasmon-enhanced devices.

Published
2017
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20. Tailoring and imaging the plasmonic local density of states in crystalline nanoprisms

Author

Alexandre Teulle, Jadab Sharma, Arnaud Arbouet, Renaud Marty, Erik Dujardin, Christian Girard, Sviatlana Viarbitskaya, Centre d'élaboration de matériaux et d'études structurales (CEMES), Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Institut National des Sciences Appliquées (INSA)-Université de Toulouse (UT)-Institut National des Sciences Appliquées (INSA)-Université de Toulouse (UT)-Institut de Chimie de Toulouse (ICT), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT)-Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT)-Centre National de la Recherche Scientifique (CNRS), Groupe NanoSciences (CEMES-GNS), Université de Toulouse (UT)-Centre National de la Recherche Scientifique (CNRS)-Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Chimie de Toulouse (ICT-FR 2599), Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Institut de Chimie du CNRS (INC)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Institut de Chimie du CNRS (INC)-Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA), and Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Université Toulouse III - Paul Sabatier (UT3)

Subjects
Materials science, Local density of states, business.industry, Mechanical Engineering, Surface plasmon, Physics::Optics, [CHIM.MATE]Chemical Sciences/Material chemistry, 02 engineering and technology, General Chemistry, Optical field, 010402 general chemistry, 021001 nanoscience & nanotechnology, Condensed Matter Physics, Polarization (waves), 01 natural sciences, Ray, 0104 chemical sciences, Wavelength, Optics, Mechanics of Materials, Light beam, General Materials Science, 0210 nano-technology, business, Plasmon
Abstract

Surface plasmon (SP) technologies exploit the spectral and spatial properties of collective electronic oscillations in noble metals placed in an incident optical field. Yet the SP local density of states (LDOS), which rule the energy transducing phenomena between the SP and the electromagnetic field, is much less exploited. Here, we use two-photon luminescence (TPL) microscopy to reveal the SP-LDOS in thin single-crystalline triangular gold nanoprisms produced by a quantitative one-pot synthesis at room temperature. Variations of the polarization and the wavelength of the incident light redistribute the TPL intensity into two-dimensional plasmonic resonator patterns that are faithfully reproduced by theoretical simulations. We demonstrate that experimental TPL maps can be considered as the convolution of the SP-LDOS with the diffraction-limited Gaussian light beam. Finally, the SP modal distribution is tuned by the spatial coupling of nanoprisms, thus allowing a new modal design of plasmonic information processing devices. Much less exploited than the spectral and spatial properties of surface plasmons (SPs) are their local density of states (SP-LDOS), which rule a number of important nanoscale phenomena. Using two-photon luminescence microscopy, the SP-LDOS in ultrathin gold nanoprisms is now visualized directly, allowing for the SP modal distribution to be tuned.

Published
2013
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22. Plasmonic Hot Printing in Gold Nanoprisms

Author

Erik Dujardin, Sviatlana Viarbitskaya, Christian Girard, Jadab Sharma, Arnaud Arbouet, Alexandre Teulle, Aurélien Cuche, Centre d'élaboration de matériaux et d'études structurales (CEMES), Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Institut National des Sciences Appliquées (INSA)-Université de Toulouse (UT)-Institut National des Sciences Appliquées (INSA)-Université de Toulouse (UT)-Institut de Chimie de Toulouse (ICT), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT)-Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT)-Centre National de la Recherche Scientifique (CNRS), Nano-Optique et Nanomatériaux pour l'optique (CEMES-NeO), Université de Toulouse (UT)-Centre National de la Recherche Scientifique (CNRS)-Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Groupe NanoSciences (CEMES-GNS), Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Chimie de Toulouse (ICT-FR 2599), Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Institut de Chimie du CNRS (INC)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Institut de Chimie du CNRS (INC)-Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA), and Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Université Toulouse III - Paul Sabatier (UT3)

Subjects
thermoplasmonics, Materials science, melting, surface plasmon, 02 engineering and technology, 01 natural sciences, law.invention, Metal, LDOS, Optics, law, colloids, 0103 physical sciences, Irradiation, Electrical and Electronic Engineering, [SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, 010306 general physics, Plasmon, Local density of states, business.industry, Surface plasmon, 021001 nanoscience & nanotechnology, Laser, Atomic and Molecular Physics, and Optics, Electronic, Optical and Magnetic Materials, visual_art, Femtosecond, visual_art.visual_art_medium, [PHYS.COND.CM-MS]Physics [physics]/Condensed Matter [cond-mat]/Materials Science [cond-mat.mtrl-sci], Optoelectronics, 0210 nano-technology, business, Excitation, Biotechnology
Abstract

cited By 18; International audience; The raster-scanned irradiation of ultrathin sub-micrometer crystalline gold colloidal prisms with the tightly focused spot of a femtosecond, near-infrared laser triggers the deterministic deformation and partial melting of nanometer-sized areas of the nanoprisms. The morphological modification of the Au nanoprisms evidences extremely localized sources of heat, the in-plane distribution of which varies with the particle shape and laser polarization. We demonstrate for the first time the direct relationship between heat source density and surface plasmon local density of states (SP-LDOS), which describes quantitatively the rich modal structure of the surface plasmons sustained by the 2D metallic platelets, independently of the knowledge of the illumination configuration. Green’s Dyadic numerical simulations confirm that the optical excitation of the 2D SP modes results in the subwavelength hot imprinting of the SP modal pattern onto the metal surface.

Published
2015
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25. Multimodal Plasmonics in Fused Colloidal Networks

Author

Alexandre Teulle, Michel Bosman, Stephen Mann, K. L. Gurunatha, Mei Li, Christian Girard, Erik Dujardin, Groupe NanoSciences (CEMES-GNS), Centre d'élaboration de matériaux et d'études structurales (CEMES), Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Institut National des Sciences Appliquées (INSA)-Université de Toulouse (UT)-Institut National des Sciences Appliquées (INSA)-Université de Toulouse (UT)-Institut de Chimie de Toulouse (ICT), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT)-Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT)-Centre National de la Recherche Scientifique (CNRS)-Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Université de Toulouse (UT)-Centre National de la Recherche Scientifique (CNRS), Institute of Materials Research and Engineering (IMRE), Agency for science, technology and research [Singapore] (A*STAR), Centre for Organized Matter Chemistry, School of Chemistry [Bristol], University of Bristol [Bristol]-University of Bristol [Bristol], University of Bristol [Bristol], European Project, Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Chimie de Toulouse (ICT-FR 2599), Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Institut de Chimie du CNRS (INC)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Institut de Chimie du CNRS (INC)-Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Université Toulouse III - Paul Sabatier (UT3), and Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)

Subjects
Materials science, EELS, modal engineering, melting, Nanoparticle, FOS: Physical sciences, Article, Crystallinity, Delocalized electron, light confinement, General Materials Science, Nanoscopic scale, Plasmon, [PHYS.PHYS.PHYS-OPTICS]Physics [physics]/Physics [physics]/Optics [physics.optics], Condensed Matter - Materials Science, electron energy loss spectroscopy, business.industry, Mechanical Engineering, Electron energy loss spectroscopy, Surface plasmon, plasmonic waveguide, Materials Science (cond-mat.mtrl-sci), General Chemistry, self-assembly, Condensed Matter Physics, Colloidal plasmonics, Mechanics of Materials, Colloidal gold, [PHYS.COND.CM-MS]Physics [physics]/Condensed Matter [cond-mat]/Materials Science [cond-mat.mtrl-sci], Optoelectronics, nanoparticles, business, Optics (physics.optics), Physics - Optics
Abstract

Harnessing the optical properties of noble metals down to the nanometre scale is a key step towards fast and low-dissipative information processing. At the 10-nm length scale, metal crystallinity and patterning as well as probing of surface plasmon properties must be controlled with a challenging high level of precision. Here, we demonstrate that ultimate lateral confinement and delocalization of surface plasmon modes are simultaneously achieved in extended self-assembled networks comprising linear chains of partially fused gold nanoparticles. The spectral and spatial distributions of the surface plasmon modes associated with the colloidal superstructures are evidenced by performing monochromated electron energy-loss spectroscopy with a nanometre-sized electron probe. We prepare the metallic bead strings by electron-beam-induced interparticle fusion of nanoparticle networks. The fused superstructures retain the native morphology and crystallinity but develop very low-energy surface plasmon modes that are capable of supporting long-range and spectrally tunable propagation in nanoscale waveguides.

Published
2014
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27. FAÇONNAGE DE MODES PLASMONS DANS DES COLLOÏDES D’OR

Author

TEULLE, Alexandre, Centre d'élaboration de matériaux et d'études structurales (CEMES), Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Institut National des Sciences Appliquées (INSA)-Université de Toulouse (UT)-Institut National des Sciences Appliquées (INSA)-Université de Toulouse (UT)-Institut de Chimie de Toulouse (ICT), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT)-Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT)-Centre National de la Recherche Scientifique (CNRS), Université Toulouse 3 Paul Sabatier (UT3 Paul Sabatier), Erik DUJARDIN, Christian GIRARD, Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Chimie de Toulouse (ICT-FR 2599), Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Institut de Chimie du CNRS (INC)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Institut de Chimie du CNRS (INC)-Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), and Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)

Subjects
[PHYS]Physics [physics], [PHYS.PHYS.PHYS-OPTICS]Physics [physics]/Physics [physics]/Optics [physics.optics], electron energy loss spectroscopy, local density of states, two photon luminescence, or, gold, plasmonique, méthode de Green dyadique, spectroscopie de pertes d’énergie, plasmonics, photomigration, luminescence à deux photons, Green dyadic method, colloids, simulations, densité locale d’états, colloïdes
Abstract

The main objective of this thesis is to interpret experimental measurements of the plasmonic properties of goldcolloidal particles.First, we study the optical near-field distribution around nano-platelets thanks to the photomigration technique. Thisindirect photo-chemical mapping uncovers a size effect by shining at 457 nm and 514 nm particles of different sizes, suggesting a quasi-modal response from the surface plasmons supported by these structures. This peculiar response is evidenced in the case of colloidal triangles of 500 nm side length.Then, we show that Two Photon Luminescence (TPL) offers another original way to probe the electromagnetic fielddistribution inside Au particles. We focus the TPL study on gold nano-rods and platelets. TPL maps show a strong confinement of the electromagnetic field inside these objects. Signal localization can be controlled by adjusting incident polarization.Simultaneously, we have developed a new tool based on the Green Dyadic Method (GDM) to reproduce and analyze TPL maps. They confirm specific near-field localization in the metal and provide a new insight into wavelength and particle shape influence. Our model suggests that TPL gives also access to the local density of plasmonic states in the particle and consequently that the coupling between two gold platelets could lead to a new design of a plasmonic modal logic gate. Finally, we have investigated the optical properties of gold nanoparticle chains. These nanoparticles fuse under theelectron beam of the TEM. The fusion shifts plasmons resonances of the chains towards the infrared region. These plasmonic modes have been studied spatially and spectrally using Electron Energy Loss Spectroscopy (EELS). We have developed a theoretical model showing the link between the energy loss of a swift electron and the local density of states. Using the GDM, we have computed EELS maps of these nanoparticle chains.; Cette thèse a pour objectif principal d’interpréter des mesures expérimentales des propriétés plasmoniques denanoparticules d’or cristallines de différentes morphologies.Nous étudions tout d’abord, grâce à un film photosensible, la distribution du champ local autour de nano-prismes d’or.Cette cartographie indirecte révèle un effet de taille en irradiant à 457 nm et 514nm des objets de formes identiques mais de dimensions différentes, suggérant une réponse quasi-modale des plasmons supportés par ces structures. Cette réponse quasimodale est mise en évidence dans le cas de prismes triangulaires de 500 nm de côté.Dans une seconde étape, nous montrons que la luminescence à deux photons (TPL) offre un autre moyen original desonder la distribution du champ électromagnétique à l’intérieur de ces particules. En particulier, nous considérons le cas des nano-bâtonnets et des prismes d’or. Les cartes TPL montrent un fort confinement du champ à l’intérieur de ces objets. La localisation du signal peut être contrôlée en ajustant la polarisation incidente. Parallèlement, nous avons développé un nouvel outil de simulation pour reproduire et interpréter les cartes TPL. Elles confirment la spatialisation spécifique du champ proche et nous renseignent sur l’influence de la longueur d’onde et de la forme des prismes. Notre modèle suggère que la TPL donne aussi accès à la densité locale d’états plasmoniques dans la particule, et que le couplage entre deux nano-prismes peut constituer une nouvelle façon de concevoir des portes logiques modales plasmoniques.Enfin, nous avons étudié les propriétés optiques de chaines de sphères d’or d’une dizaine de nanomètres de diamètre. Les particules constituant ces chaines fusionnent sous l’effet du faisceau du microscope électronique en transmission ce qui conduit à un décalage dans l’infrarouge des modes de résonance plasmon. Nous avons caractérisé spatialement et spectralement ces modes plasmons par spectroscopie de pertes d’énergie (EELS). Grâce à la polyvalence du formalisme des fonctions de Green, et en nous appuyant sur une modélisation théorique montrant le lien entre signal de perte et densité locale d’états, nous avons simulé des cartes EELS de ces objets.

Published
2013

28. Visibility of plasmonic particles embedded in transparent materials

Author

Alexandre Teulle, Christian Girard, Arnaud Arbouet, Renaud Marty, Erik Dujardin, Centre d'élaboration de matériaux et d'études structurales (CEMES), Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Chimie de Toulouse (ICT-FR 2599), Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Institut de Chimie du CNRS (INC)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Institut de Chimie du CNRS (INC)-Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA), Groupe NanoSciences (CEMES-GNS), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Université Toulouse III - Paul Sabatier (UT3), Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Institut National des Sciences Appliquées (INSA)-Université de Toulouse (UT)-Institut National des Sciences Appliquées (INSA)-Université de Toulouse (UT)-Institut de Chimie de Toulouse (ICT), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT)-Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT)-Centre National de la Recherche Scientifique (CNRS), and Université de Toulouse (UT)-Centre National de la Recherche Scientifique (CNRS)-Institut National des Sciences Appliquées - Toulouse (INSA Toulouse)

Subjects
Materials science, business.industry, Scattering, Visibility (geometry), Nanophotonics, Physics::Optics, 02 engineering and technology, 021001 nanoscience & nanotechnology, 01 natural sciences, Atomic and Molecular Physics, and Optics, Electronic, Optical and Magnetic Materials, Wavelength, Optics, Polarizability, 0103 physical sciences, Optoelectronics, Particle, [CHIM]Chemical Sciences, Electrical and Electronic Engineering, Physical and Theoretical Chemistry, 010306 general physics, 0210 nano-technology, business, Plasmon, Sign (mathematics)
Abstract

cited By 3; International audience; Recently, several experiments have shown that it is possible to visualize the optical near-field generated around individual plasmonic particles through the photo-induced structuration of polymer films. In this communication, we show that the particle visibility can be controlled at will down to the quasi-invisibility by tuning the incident wavelength around the plasmon frequency. This phenomenon occurs when the real part of the particle polarizability displays a sign change. This simple spectrally controlled visibility is an alternative to the more classical spatially controlled visibility approach.

Published
2013
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33. Plasmonic Hot Printing in Gold Nanoprisms

Author

Viarbitskaya, Sviatlana, primary, Cuche, Aurélien, additional, Teulle, Alexandre, additional, Sharma, Jadab, additional, Girard, Christian, additional, Arbouet, Arnaud, additional, and Dujardin, Erik, additional

Published
2015
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37. Morphology-induced redistribution of surface plasmon modes in two-dimensional crystalline gold platelets

Author

Aurélien Cuche, Alexandre Teulle, Arnaud Arbouet, Jadab Sharma, C. Girard, Erik Dujardin, Sviatlana Viarbitskaya, Centre d'élaboration de matériaux et d'études structurales (CEMES), Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Chimie de Toulouse (ICT-FR 2599), Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Institut de Chimie du CNRS (INC)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Institut de Chimie du CNRS (INC)-Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA), Groupe NanoSciences (CEMES-GNS), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Université Toulouse III - Paul Sabatier (UT3), Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Institut National des Sciences Appliquées (INSA)-Université de Toulouse (UT)-Institut National des Sciences Appliquées (INSA)-Université de Toulouse (UT)-Institut de Chimie de Toulouse (ICT), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT)-Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT)-Centre National de la Recherche Scientifique (CNRS), and Université de Toulouse (UT)-Centre National de la Recherche Scientifique (CNRS)-Institut National des Sciences Appliquées - Toulouse (INSA Toulouse)

Subjects
Photoluminescence, Materials science, Physics and Astronomy (miscellaneous), Surface plasmon, Physics::Optics, 02 engineering and technology, Optical field, 021001 nanoscience & nanotechnology, 01 natural sciences, Molecular physics, law.invention, Crystallography, Optical microscope, law, 0103 physical sciences, Microscopy, Quasiparticle, [CHIM]Chemical Sciences, Redistribution (chemistry), 010306 general physics, 0210 nano-technology, Luminescence
Abstract

cited By 10; International audience; The 2D optical field intensity distribution in sub-micron, ultrathin, and crystalline gold platelets is investigated by two-photon luminescence (TPL) microscopy. In particular, the evolution of the TPL maps as the particle morphology undergoes a transition from triangular to hexagonal reveals that the signatures of the high-order surface plasmon states sustained by the platelets follows the same C3v to C6v symmetry redistribution. Experimental observations are precisely accounted for by theoretical simulations based on the Green dyadic method.

Published
2013
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39. Scanning optical microscopy modeling in nanoplasmonics

Author

Renaud Marty, Alexandre Teulle, Gérard Colas des Francs, Christian Girard, Arnaud Arbouet, Sviatlana Viarbitskaya, Erik Dujardin, Centre d'élaboration de matériaux et d'études structurales (CEMES), Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Chimie de Toulouse (ICT-FR 2599), Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Institut de Chimie du CNRS (INC)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Institut de Chimie du CNRS (INC)-Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA), Laboratoire Interdisciplinaire Carnot de Bourgogne (LICB), Université de Bourgogne (UB)-Centre National de la Recherche Scientifique (CNRS), Colas Des Francs, Gérard, Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Institut National des Sciences Appliquées (INSA)-Université de Toulouse (UT)-Institut National des Sciences Appliquées (INSA)-Université de Toulouse (UT)-Institut de Chimie de Toulouse (ICT), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT)-Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT)-Centre National de la Recherche Scientifique (CNRS), Laboratoire Interdisciplinaire Carnot de Bourgogne (ICB), Centre d'élaboration de matériaux et d'études structurales ( CEMES ), Institut National des Sciences Appliquées - Toulouse ( INSA Toulouse ), Institut National des Sciences Appliquées ( INSA ) -Institut National des Sciences Appliquées ( INSA ) -Université Paul Sabatier - Toulouse 3 ( UPS ) -Centre National de la Recherche Scientifique ( CNRS ), Laboratoire Interdisciplinaire Carnot de Bourgogne ( LICB ), and Université de Bourgogne ( UB ) -Centre National de la Recherche Scientifique ( CNRS )

Subjects
Photon, Physics::Optics, 02 engineering and technology, NANOWIRES, NANOSTRUCTURES, 01 natural sciences, law.invention, GOLD NANORODS, Optics, Optical microscope, law, 0103 physical sciences, Miniaturization, Light beam, 010306 general physics, Plasmon, Physics, ELECTROMAGNETIC DIFFRACTION, SURFACE-PLASMON, business.industry, Near-field optics, MISMATCHED REFRACTIVE-INDEXES, Statistical and Nonlinear Physics, 021001 nanoscience & nanotechnology, NEAR-FIELD MICROSCOPY, Atomic and Molecular Physics, and Optics, NETWORKS, LIGHT, Optoelectronics, Near-field scanning optical microscope, 0210 nano-technology, business, Luminescence, PLANAR INTERFACE
Abstract

International audience; One of the main purposes of nanoplasmonics is the miniaturization of optical and electro-optical components that could be integrable in coplanar geometry. In this context, we propose a numerical model of a polarized scanning optical microscope able to faithfully reproduce both photon luminescence and temperature distribution images associated with complex plasmonic structures. The images are computed, pixel by pixel, through a complete self-consistent scheme based on the Green dyadic functions (GDF) formalism. The basic principle consists in the numerical implementation of a realistic three-dimensional light beam acting as a virtual light tip able to probe the volume of plasmonic structures. Two different acquisition procedures, respectively based on two-photon luminescence emission and local heating, are discussed in the case of gold colloidal particles.

Published
2012
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40. Multimodal plasmonics in fused colloidal networks.

Author

Teulle, Alexandre, Bosman, Michel, Girard, Christian, Gurunatha, Kargal L., Li, Mei, Mann, Stephen, and Dujardin, Erik

Subjects
*COLLOIDAL networks, *SURFACE plasmons, *MOLECULAR self-assembly, *GOLD nanoparticles, *ELECTRON energy loss spectroscopy, *CRYSTALLINITY
Abstract

Harnessing the optical properties of noble metals down to the nanometre scale is a key step towards fast and low-dissipative information processing. At the 10-nm length scale, metal crystallinity and patterning as well as probing of surface plasmon properties must be controlled with a challenging high level of precision. Here, we demonstrate that ultimate lateral confinement and delocalization of surface plasmon modes are simultaneously achieved in extended self-assembled networks comprising linear chains of partially fused gold nanoparticles. The spectral and spatial distributions of the surface plasmon modes associated with the colloidal superstructures are evidenced by performing monochromated electron energy-loss spectroscopy with a nanometre-sized electron probe. We prepare the metallic bead strings by electron-beam-induced interparticle fusion of nanoparticle networks. The fused superstructures retain the native morphology and crystallinity but develop very low-energy surface plasmon modes that are capable of supporting long-range and spectrally tunable propagation in nanoscale waveguides. [ABSTRACT FROM AUTHOR]

Published
2015
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43. Downsizing and Silicon Integration of Photoacoustic Gas Cells

Author

A. Glière, P. Barritault, A. Berthelot, C. Constancias, J.-G. Coutard, B. Desloges, L. Duraffourg, J.-M. Fedeli, M. Garcia, O. Lartigue, H. Lhermet, A. Marchant, J. Rouxel, J. Skubich, A. Teulle, T. Verdot, and S. Nicoletti

Subjects
Trace gas measurements, MEMS, technology, industry, and agriculture, Silicon integration, Photoacoustic spectroscopy
Abstract

Downsizing and compatibility with MEMS silicon foundries is an attractive path towards a large diffusion of photoacoustic trace gas sensors. As the photoacoustic signal scales inversely with the chamber volume, a trend to miniaturization has been followed by several teams. We review in this article the approach initiated several years ago in our laboratory. Three generations of components, namely a 40 mm3 3D-printed cell, a 3.7 mm3 silicon cell, and a 2.3 mm3 silicon cell with a built-in piezoresistive pressure sensor, have been designed. The models used take into account the viscous and thermal losses, which cannot be neglected for such small-sized resonators. The components have been fabricated either by additive manufacturing or microfabrication and characterized. Based on a compilation of experimental data, a similar sub-ppm limit of detection is demonstrated. All three versions of photoacoustic cells have their own domain of operation as each one has benefits and drawbacks, regarding fabrication, implementation, and ease of use.

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