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6. Quantum processors for high performance analog RF signals processing

Author

Lothaire Ulrich, Sacha Welinski, Anne Louchet-Chauvet, Julien de Rosny, Daniel Dolfi, Perrine Berger, and Loic Morvan

Abstract

Quantum properties of Tm3+ ions in a YAG matrix enable high dynamic signal processing for RF sensing. Here we program a spectro-spatial grating selectively diffracting optical frequencies, leading to a high performance photonic RF filter.

Published
2022

8. Tailoring the 3F4 level lifetime in Tm3+: Y3Al5O12 by Eu3+ co-doping for signal processing application

Author

Anne Louchet-Chauvet, Loic Morvan, Alban Ferrier, Perrine Berger, Zhonghan Zhang, Philippe Goldner, Institut de Recherche de Chimie Paris (IRCP), Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Ecole Nationale Supérieure de Chimie de Paris - Chimie ParisTech-PSL (ENSCP), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Ministère de la Culture (MC), Shanghai Institute of Ceramics, Chinese Academy of Science (CAS), Laboratoire Aimé Cotton (LAC), Centre National de la Recherche Scientifique (CNRS)-Université Paris-Sud - Paris 11 (UP11)-École normale supérieure - Cachan (ENS Cachan), Institut Langevin - Ondes et Images (UMR7587) (IL), Ecole Superieure de Physique et de Chimie Industrielles de la Ville de Paris (ESPCI Paris), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Thales Research and Technology [Palaiseau], THALES, and Sorbonne Université (SU)

Subjects
Materials science, Absorption spectroscopy, Biophysics, Physics::Optics, 02 engineering and technology, [CHIM.INOR]Chemical Sciences/Inorganic chemistry, 010402 general chemistry, 7. Clean energy, 01 natural sciences, Biochemistry, Ion, Optical pumping, Metastability, ComputingMilieux_MISCELLANEOUS, [PHYS.PHYS.PHYS-ATOM-PH]Physics [physics]/Physics [physics]/Atomic Physics [physics.atom-ph], business.industry, Doping, Bandwidth (signal processing), General Chemistry, 021001 nanoscience & nanotechnology, Condensed Matter Physics, Atomic and Molecular Physics, and Optics, 0104 chemical sciences, Spectral hole burning, Optoelectronics, 0210 nano-technology, business, Single crystal
Abstract

Tm3+: Y3Al5O12 (Tm:YAG) crystal is a promising material for high-resolution spectral analysis of broadband radio-frequency (RF) signals, where the absorption spectrum is modified via spectral hole burning. In Tm:YAG, the efficiency of the spectral tailoring is limited by the long-lived metastable level 3F4, acting as a bottleneck for the optical pumping mechanism. We demonstrate that co-doping Tm:YAG with Eu3+ ions can significantly shorten the optical lifetime of 3F4 state, while that of 3H4 is essentially conserved. We show with a model that these modified lifetimes allow faster tailoring of the absorption profile. Because of their low cost and easiness of processing, we use Tm3+ and Eu3+ co-doped Y3Al5O12 ceramics to probe the energy transfer efficiency and find the optimal cation co-doping concentration. Furthermore, we show that Eu3+ co-doping increases the inhomogeneous broadening on the Tm3+ optical transition, hence the spectral analysis bandwidth. Finally, we confirm these results on a single crystal grown by the Czochralski method.

Published
2020

9. Однородные и неоднородные ширины линий в оптических спектрах кристалла Y-=SUB=-2-=/SUB=-SiO-=SUB=-5-=/SUB=- : -=SUP=-171-=/SUP=-Yb-=SUP=-3+-=/SUP=

Author

Loic Morvan, Sacha Welinski, Eloise Lafitte-Houssat, Philippe Goldner, Alban Ferrier, Perrine Berger, and Mikael Afzelius

Subjects
Atomic and Molecular Physics, and Optics
Abstract

Rare earth ions are actively investigated as optically addressable spin systems for quantum technologies thanks to their long optical and spin coherence lifetimes. 171Yb3+, which has 1/2 electron and nuclear spins, recently raised interest for its simple hyperfine structure that moreover can result in long coherence lifetimes at zero magnetic field, an unusual property for paramagnetic rare earth ions. Here, we report on the optical inhomogeneous and homogeneous linewidths in 171Yb3+:Y2SiO5 (site 2) for different doping concentrations. While inhomogeneous linewidth is not correlated to 171Yb3+ concentration, the homogeneous one strongly decreases between 10 and 2 ppm doping level, reaching 255 Hz at 3 K. This is attributed to a slowing down of 171Yb3+ ground state spin flip-flops.

Published
2022

10. A Model for Designing Ultralow Noise Single- and Dual-Loop 10-GHz Optoelectronic Oscillators

Author

Vincent Crozatier, Gregoire Pillet, Ghaya Baili, Olivier Llopis, Pascale Nouchi, Loic Morvan, Perrine Berger, Fabien Bretenaker, Fabienne Goldfarb, O. Lelievre, and Daniel Dolfi

Subjects
Physics, Offset (computer science), High power lasers, business.industry, Dual loop, Spectral density, dBc, 02 engineering and technology, Atomic and Molecular Physics, and Optics, Semiconductor laser theory, 020210 optoelectronics & photonics, Brillouin scattering, Phase noise, 0202 electrical engineering, electronic engineering, information engineering, Optoelectronics, business
Abstract

A complete model describing both single- and dual-loop optoelectronic oscillators (OEO) is introduced. It is compared to several experimental configurations, with excellent agreement in all cases. The physical insight into noise coupling mechanisms brought by the model further allows us for the design of ultralow noise OEO. Phase noise performances at 10 GHz with a single 1 km delay line and with a dual 1 km/100 m delay lines are reported. An optimized dual loop configuration exhibits low phase noise floor at high offset frequency (–160 dBc/Hz at 100 kHz) and low spur levels (–145 dBc/Hz), here again in close agreement with our model.

Published
2017

11. Photonics-based high purity microwave oscillators at 10 GHz

Author

Vincent Crozatier, G. Baili, Y. Leguillon, Loïc Morvan, O. Lelievre, Pascale Nouchi, J. Schiellein, G. Jarril, Daniel Dolfi, and Perrine Berger

Subjects
Physics, Acceleration, business.industry, Phase noise, Optoelectronics, dBc, Frequency offset, Radio frequency, Fixed frequency, Photonics, business, Microwave oscillators
Abstract

We report on recent works on photonics based architectures for the generation of high purity RF signals. Different configurations of 10 GHz fixed frequency optoelectronic oscillators are studied (dual-loop, all-photonic gain, and coupled). All these configurations provide phase noise below -90 dBc/Hz at 100 Hz frequency offset, and below -140 dBc/Hz above 10 kHz frequency offset. Every configuration exhibits state-of-the-art phase noise performances. Integration perspectives are also given, with preliminary acceleration sensibility measurements.

Published
2019

12. Quantum-based metrology for navigation, radar, and communication applications

Author

Loïc Morvan, C. Larat, Th. Debuisschert, Pascale Nouchi, Daniel Dolfi, G. Baili, A. Brignon, Perrine Berger, M. Dupont-Nivet, G. Feugnet, L. Mayer, and F. Gutty

Subjects
Quantum technology, Computer science, law, Electromagnetic spectrum, Electronic engineering, Spectral hole burning, Radar, Communications system, Accelerometer, Atomic clock, Metrology, law.invention
Abstract

Quantum technologies have been identified as breakthrough technologies with a potential high impact on future navigation, sensing and communication systems since the end of the 90’s. In this paper we will review how these technologies can contribute to electromagnetic spectrum dominance through the use of SHB (spectral hole burning) based spectral holography and of NV (nitrogen vacancy) centers in diamond. Quantum technologies, combined with integration techniques, will also improve the performances of navigation systems thanks to ultra-precise compacts atomic clocks, accelerometers and gyros.

Published
2019

13. RF Spectrum Analyzer for Pulsed Signals: Ultra-Wide Instantaneous Bandwidth, High Sensitivity, and High Time-Resolution

Author

Muriel Schwarz, Yoann Attal, Loic Morvan, Daniel Dolfi, Jean-Louis Le Gouët, Thierry Chanelière, Perrine Berger, Anne Louchet-Chauvet, Stephanie Molin, Thales Research and Technologies [Orsay] (TRT), THALES, Laboratoire Aimé Cotton (LAC), Centre National de la Recherche Scientifique (CNRS)-Université Paris-Sud - Paris 11 (UP11)-École normale supérieure - Cachan (ENS Cachan), TCS - Thales Communication & Securité, and Thales Communication & Securité (TCS) 92704 Colombes, France OPS / HAT / SPM

Subjects
Physics, [PHYS.PHYS.PHYS-OPTICS]Physics [physics]/Physics [physics]/Optics [physics.optics], Spectrum analyzer, business.industry, Bandwidth (signal processing), 02 engineering and technology, 021001 nanoscience & nanotechnology, 01 natural sciences, Atomic and Molecular Physics, and Optics, Time–frequency analysis, 010309 optics, Optics, 0103 physical sciences, Spectral hole burning, Spectrogram, Radio frequency, [SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, 0210 nano-technology, Phase conjugation, business, Microwave
Abstract

International audience; We report on the experimental demonstration of a multi-gigahertz bandwidth RF spectrum analyzer based on spectral hole burning in a 3 K-cooled rare-earth ion-doped crystal. We implemented the so-called “rainbow” architecture in which the optically carried spectral components of the incoming signal are angularly separated by the crystal, and are then acquired with a pixelated photo-detector. With this setup, we have been able to monitor and record the spectrum of complex microwave signals over an instantaneous bandwidth above 20 GHz, with a time resolution below 100 μs, 400 resolvable frequency components and a 100% probability of intercept. RF pulsed signals in the μs range are perfectly analyzed with this high time-resolved set-up. The best achievable sensitivity for pulsed signals is computed and compared with another spectral hole burning technique.

Published
2016

14. Telecom wavelength optical processor for wideband spectral analysis of radiofrequency signals

Author

Anne Louchet-Chauvet, Loic Morvan, Perrine Berger, Daniel Dolfi, Pascale Nouchi, Alban Ferrier, Philippe Goldner, Laboratoire Aimé Cotton (LAC), Centre National de la Recherche Scientifique (CNRS)-Université Paris-Sud - Paris 11 (UP11)-École normale supérieure - Cachan (ENS Cachan), Institut Langevin - Ondes et Images (UMR7587) (IL), Ecole Superieure de Physique et de Chimie Industrielles de la Ville de Paris (ESPCI Paris), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Thales Research and Technology [Palaiseau], THALES, Ecole Nationale Supérieure de Chimie de Paris - Chimie ParisTech-PSL (ENSCP), Université Paris sciences et lettres (PSL), and Sorbonne Université (SU)

Subjects
[PHYS.PHYS.PHYS-OPTICS]Physics [physics]/Physics [physics]/Optics [physics.optics], Materials science, [PHYS.PHYS.PHYS-ATOM-PH]Physics [physics]/Physics [physics]/Atomic Physics [physics.atom-ph], business.industry, Condensed Matter Physics, 01 natural sciences, Industrial and Manufacturing Engineering, Atomic and Molecular Physics, and Optics, 010309 optics, Wavelength, Optics, 0103 physical sciences, Spectral analysis, Wideband, 010306 general physics, business, Instrumentation, Optical processor
Abstract

International audience; In this paper we present a spectral analyzer for wideband RF signals with a spectral hole-burning-based architecture operating at telecom wavelength. This device is based on a codoped Er 3+ :Sc 3+ :Y2SiO5 crystal whose inhomogeneous linewidth allows for wideband operation. With time-resolved holeburning spectroscopy experiments we study the homogeneous linewidth and spectral diffusion in an unusual magnetic field configuration. We finally demonstrate the spectral analysis of RF signals with 28 GHz instantaneous bandwidth and MHz resolution. This work opens the way towards more complex architectures such as direction finding with wideband capacity.

Published
2020

15. All photonic-gain Optoelectronic Oscillator at 10 GHz

Author

Alexandre Garreau, K. Mezkhani, Fabien Bretenaker, Loïc Morvan, F. van Dijk, Olivier Llopis, Pascale Nouchi, J.-F. Paret, Romain Brenot, O. Lelievre, Francois Duport, F. Goldfarb, Daniel Dolfi, Philippe Charbonnier, Ghaya Baili, Perrine Berger, Vincent Crozatier, Thales Research and Technologies [Orsay] (TRT), THALES [France], Équipe Microondes et Opto-microondes pour Systèmes de Télécommunications (LAAS-MOST), Laboratoire d'analyse et d'architecture des systèmes (LAAS), Université Toulouse Capitole (UT Capitole), Université de Toulouse (UT)-Université de Toulouse (UT)-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 Toulouse - Jean Jaurès (UT2J), Université de Toulouse (UT)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT)-Université Toulouse Capitole (UT Capitole), Université de Toulouse (UT), Laboratoire Aimé Cotton (LAC), École normale supérieure - Cachan (ENS Cachan)-Université Paris-Sud - Paris 11 (UP11)-Centre National de la Recherche Scientifique (CNRS), Alcatel-Thales III-V Lab (III-V Lab), Alcatel-Thalès III-V lab (III-V Lab), THALES [France]-ALCATEL, IEEE, THALES, Université Toulouse - Jean Jaurès (UT2J)-Université Toulouse 1 Capitole (UT1), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Université Toulouse - Jean Jaurès (UT2J)-Université Toulouse 1 Capitole (UT1), Université Fédérale Toulouse Midi-Pyrénées, Centre National de la Recherche Scientifique (CNRS)-Université Paris-Sud - Paris 11 (UP11)-École normale supérieure - Cachan (ENS Cachan), and THALES-ALCATEL

Subjects
Optical amplifier, Materials science, Optical fiber, business.industry, Optoelectronic oscillator, dBc, 02 engineering and technology, 7. Clean energy, Noise floor, law.invention, [SPI.TRON]Engineering Sciences [physics]/Electronics, 020210 optoelectronics & photonics, Optical fiber amplifiers, law, Phase noise, 0202 electrical engineering, electronic engineering, information engineering, [SPI.OPTI]Engineering Sciences [physics]/Optics / Photonic, Optoelectronics, Photonics, [SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, business
Abstract

International audience; We present a 10 GHz optoelectronic oscillator (OEO) based on optical amplification. The setup uses a 1-km of standard optical fiber at 1.5 μm and a semiconductor optical amplifier (SOA). The phase noise is -90 dBc/Hz at 100 Hz and 132 dBc/Hz at 10 kHz, currently limited by the oscillator noise floor.

Published
2018

16. Rate equation reformulation including coherent excitation: application to periodic protocols based on spectral hole-burning

Author

Loic Morvan, Pascale Nouchi, Perrine Berger, Yoann Attal, Daniel Dolfi, Anne Louchet-Chauvet, Thierry Chanelière, Laboratoire Aimé Cotton (LAC), Centre National de la Recherche Scientifique (CNRS)-Université Paris-Sud - Paris 11 (UP11)-École normale supérieure - Cachan (ENS Cachan), Thales Research and Technologies [Orsay] (TRT), THALES, Thales Research and Technology [Palaiseau], Laboratoire Ondes et Désordre (LOD), and Centre National de la Recherche Scientifique (CNRS)

Subjects
Physics, Steady state, [PHYS.PHYS.PHYS-ATOM-PH]Physics [physics]/Physics [physics]/Atomic Physics [physics.atom-ph], Wave propagation, (0701170) Analog optical signal processing, Statistical and Nonlinear Physics, Rate equation, Grating, 01 natural sciences, Atomic and Molecular Physics, and Optics, Computational physics, OCIS codes: (0201670) Coherent optical effects, 010309 optics, (1605690) Rare-earth-doped materials, 0103 physical sciences, Spectral hole burning, Wideband, 010306 general physics, Absorption (electromagnetic radiation), Excitation
Abstract

International audience; A large number of signal-processing protocols are based on recording a spectral pattern via spectral hole-burning in an inhomogeneously broadened absorption profile. We present a simulation method specifically designed for periodic excitation sequences leading to the creation of a spectral pattern. This method is applicable to any multi-level atomic structure. The atomic variables' coherent dynamics are solved for a single temporal excitation step. The result is expressed as an equivalent population transfer rate. This way, the whole sequence is described as a matrix product and the steady state of the system under periodic excitation is easily derived. The propagation through the atomic medium is fully decoupled from the temporal evolution. We apply this method to the engraving of a spectral grating in a large-absorption Tm:YAG sample for wideband spectral analysis.

Published
2018

17. High dynamic range single channel sampling of wideband RF signals using ultra‐fast nanoscale photoconductive switching

Author

Daniel Dolfi, Malek Zegaoui, Perrine Berger, Didier Decoster, C. Tripon-Canseliet, G. Jestin, J. Chazelas, J.M. Hodé, C. Coinon, A. Descamps-Mandine, I. Maksimovic, and G. Baili

Subjects
Materials science, business.industry, 02 engineering and technology, Carrier lifetime, 021001 nanoscience & nanotechnology, Noise (electronics), Gallium arsenide, chemistry.chemical_compound, 020210 optoelectronics & photonics, chemistry, 0202 electrical engineering, electronic engineering, information engineering, Optoelectronics, Radio frequency, Electrical and Electronic Engineering, Photonics, Wideband, 0210 nano-technology, business, Microwave, High dynamic range
Abstract

This Letter reports on new experimental high dynamic range sub-sampling performances obtained from nanoscale microwave photoconductive switches operating under a 0.8 µm wavelength pulsed illumination. Experimental results have been performed on different samples benefiting of a low temperature grown Gallium Arsenide absorbing layer on GaAs substrate, coplanar microwave electrode profile optimisation, and the use of an ultra-low noise jitter optical source delivering optical pulses of 1 to10 ps pulse width at a 2 GHz repetition frequency at 0.8 µm optical wavelength. Thanks to carrier lifetime tunability achievement from 1 to 20 ps, in association with a carrier mobility of 3900 cm²/V.s, experimental demonstrations of 54 and 45 dB signal-to-noise ratio microwave signal sampling for signals at 5,76 and 20 GHz frequency bandwidth respectively confirms submicron devices functionality as a new class of single channel photonic analogue to digital converters.

Published
2016

18. Ultra-low phase noise 10 GHz dual loop optoelectronic oscillator

Author

Loïc Morvan, Olivier Llopis, Vincent Crozatier, Fabien Bretenaker, Fabienne Goldfarb, Perrine Berger, G. Pillet, Ghaya Baili, O. Lelievre, Daniel Dolfi, Thales Research and Technologies [Orsay] (TRT), THALES [France], Laboratoire Aimé Cotton (LAC), École normale supérieure - Cachan (ENS Cachan)-Université Paris-Sud - Paris 11 (UP11)-Centre National de la Recherche Scientifique (CNRS), Équipe Microondes et Opto-microondes pour Systèmes de Télécommunications (LAAS-MOST), Laboratoire d'analyse et d'architecture des systèmes (LAAS), Université Toulouse Capitole (UT Capitole), Université de Toulouse (UT)-Université de Toulouse (UT)-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 Toulouse - Jean Jaurès (UT2J), Université de Toulouse (UT)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT)-Université Toulouse Capitole (UT Capitole), Université de Toulouse (UT), THALES, Centre National de la Recherche Scientifique (CNRS)-Université Paris-Sud - Paris 11 (UP11)-École normale supérieure - Cachan (ENS Cachan), Université Toulouse - Jean Jaurès (UT2J)-Université Toulouse 1 Capitole (UT1), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Université Toulouse - Jean Jaurès (UT2J)-Université Toulouse 1 Capitole (UT1), and Université Fédérale Toulouse Midi-Pyrénées

Subjects
Noise temperature, Materials science, business.industry, Quantum noise, Physics::Optics, 02 engineering and technology, Noise figure, Noise (electronics), [SPI.TRON]Engineering Sciences [physics]/Electronics, Phase-locked loop, 020210 optoelectronics & photonics, Optics, Noise generator, Phase noise, 0202 electrical engineering, electronic engineering, information engineering, [SPI.OPTI]Engineering Sciences [physics]/Optics / Photonic, Flicker noise, [SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, business
Abstract

International audience; We present two dual loop optoelectronic oscillators using short fibers (1 km range). Fiber lengths are optimized using a simple model which predicts both configurations ultra-low phase noise results, improving either the close-to-carrier phase noise, or the spur level.

Published
2016

19. Innovative applications of microwave photonics

Author

Yoann Attal, Vincent Crozatier, Ghaya Baili, Loie Morvan, O. Lelievre, Daniel Dolfi, Perrine Berger, Muriel Schwarz, Pascale Nouchi, and Gregoire Pillet

Subjects
Spectrum analyzer, Materials science, business.industry, Physics::Optics, 02 engineering and technology, Laser, Noise (electronics), law.invention, 020210 optoelectronics & photonics, law, Fiber laser, Phase noise, 0202 electrical engineering, electronic engineering, information engineering, Spectral hole burning, Optoelectronics, Radio frequency, Wideband, business
Abstract

In this paper we present three applications of microwave photonics: a wideband spectrum analyzer based on spectral hole burning, an ultra-low noise optoelectronic oscillator, and a semiconductor-based mode-locked laser for high-speed sampling.

Published
2016

21. Ultra low noise 10 GHz dual loop optoelectronic oscillator: Experimental results and simple model

Author

Loïc Morvan, Fabienne Goldfarb, Olivier Llopis, G. Pillet, Vincent Crozatier, Ghaya Baili, O. Lelievre, Fabien Bretenaker, Daniel Dolfi, Perrine Berger, Thales Research and Technologies [Orsay] (TRT), THALES, Équipe Microondes et Opto-microondes pour Systèmes de Télécommunications (LAAS-MOST), Laboratoire d'analyse et d'architecture des systèmes (LAAS), Université Toulouse - Jean Jaurès (UT2J)-Université Toulouse 1 Capitole (UT1), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Université Toulouse - Jean Jaurès (UT2J)-Université Toulouse 1 Capitole (UT1), Université Fédérale Toulouse Midi-Pyrénées, Laboratoire Aimé Cotton (LAC), Centre National de la Recherche Scientifique (CNRS)-Université Paris-Sud - Paris 11 (UP11)-École normale supérieure - Cachan (ENS Cachan), THALES [France], Université Toulouse Capitole (UT Capitole), Université de Toulouse (UT)-Université de Toulouse (UT)-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 Toulouse - Jean Jaurès (UT2J), Université de Toulouse (UT)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT)-Université Toulouse Capitole (UT Capitole), Université de Toulouse (UT), and École normale supérieure - Cachan (ENS Cachan)-Université Paris-Sud - Paris 11 (UP11)-Centre National de la Recherche Scientifique (CNRS)

Subjects
Materials science, SIMPLE (military communications protocol), business.industry, Optoelectronic oscillator, Dual loop, Electrical engineering, dBc, 02 engineering and technology, Opto-electronic oscillator, [SPI.TRON]Engineering Sciences [physics]/Electronics, Voltage-controlled oscillator, 020210 optoelectronics & photonics, Phase noise, [SPI.OPTI]Engineering Sciences [physics]/Optics / Photonic, 0202 electrical engineering, electronic engineering, information engineering, Optoelectronics, [SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, business, Frequency modulation
Abstract

International audience; We present a 10 GHz dual loop optoelectronic oscillator (OEO), with very low phase noise (-144.7 dBc/Hz at 10 kHz) and low spur level (-145 dBc/Hz), despite using short fibers (1 km/100 m). The OEO is designed thanks to a simple model, which shows good agreement both with single and dual loop configurations.

Published
2016

22. Ultra-low-noise optoelectronic oscillator at 10 GHz based on a short fiber delay

Author

O. Lelievre, Perrine Berger, Gregoire Pillet, Fabien Bretenaker, Vincent Crozatier, Ghaya Baili, Daniel Dolfi, Fabienne Goldfarb, Olivier Llopis, Loic Morvan, Thales Research and Technologies [Orsay] (TRT), THALES, Équipe Microondes et Opto-microondes pour Systèmes de Télécommunications (LAAS-MOST), Laboratoire d'analyse et d'architecture des systèmes (LAAS), Université Toulouse - Jean Jaurès (UT2J)-Université Toulouse 1 Capitole (UT1), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Université Toulouse - Jean Jaurès (UT2J)-Université Toulouse 1 Capitole (UT1), Université Fédérale Toulouse Midi-Pyrénées, Laboratoire Aimé Cotton (LAC), Centre National de la Recherche Scientifique (CNRS)-Université Paris-Sud - Paris 11 (UP11)-École normale supérieure - Cachan (ENS Cachan), THALES [France], Université Toulouse Capitole (UT Capitole), Université de Toulouse (UT)-Université de Toulouse (UT)-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 Toulouse - Jean Jaurès (UT2J), Université de Toulouse (UT)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT)-Université Toulouse Capitole (UT Capitole), Université de Toulouse (UT), and École normale supérieure - Cachan (ENS Cachan)-Université Paris-Sud - Paris 11 (UP11)-Centre National de la Recherche Scientifique (CNRS)

Subjects
Noise temperature, Materials science, business.industry, Physics::Optics, dBc, 02 engineering and technology, Opto-electronic oscillator, Noise figure, 7. Clean energy, [SPI.TRON]Engineering Sciences [physics]/Electronics, 020210 optoelectronics & photonics, Optics, Noise generator, Phase noise, 0202 electrical engineering, electronic engineering, information engineering, [SPI.OPTI]Engineering Sciences [physics]/Optics / Photonic, Dispersion-shifted fiber, [SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, business, Noise (radio)
Abstract

International audience; We report on an optoelectronic oscillator (OEO) at 10 GHz based on a single 1 km long fiber delay, and exhibiting simultaneously an ultra-low close-in phase noise (-94 dBc/Hz @100 Hz) and a low spurious level (below -110 dBc/Hz). These results are well predicted by a model taking into account the frequency and intensity noise from the laser source that are converted into phase noise.

Published
2016

23. Slow light using semiconductor optical amplifiers: Model and noise characteristics

Author

Mehdi Alouini, Daniel Dolfi, Jérôme Bourderionnet, Perrine Berger, Fabien Bretenaker, Thales Research and Technology [Palaiseau], THALES [France], Laboratoire Aimé Cotton (LAC), École normale supérieure - Cachan (ENS Cachan)-Université Paris-Sud - Paris 11 (UP11)-Centre National de la Recherche Scientifique (CNRS), Photonique et Lasers, Institut de Physique de Rennes (IPR), Université de Rennes (UR)-Centre National de la Recherche Scientifique (CNRS)-Université de Rennes (UR)-Centre National de la Recherche Scientifique (CNRS), Département de Physique de l'Ecole Polytechnique (X-DEP-PHYS), École polytechnique (X), THALES, Centre National de la Recherche Scientifique (CNRS)-Université Paris-Sud - Paris 11 (UP11)-École normale supérieure - Cachan (ENS Cachan), Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-Centre National de la Recherche Scientifique (CNRS)-Université de Rennes 1 (UR1), and Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-Centre National de la Recherche Scientifique (CNRS)

Subjects
Energy Engineering and Power Technology, 02 engineering and technology, Slow light, 01 natural sciences, Noise (electronics), Semiconductor optical amplifiers (SOA), 010309 optics, 020210 optoelectronics & photonics, Optics, 0103 physical sciences, 0202 electrical engineering, electronic engineering, information engineering, medicine, Saturation (magnetic), Physics, Optical amplifier, [PHYS.PHYS.PHYS-OPTICS]Physics [physics]/Physics [physics]/Optics [physics.optics], business.industry, General Engineering, Computer Science::Software Engineering, Biasing, Semiconductor, Bruit, Microwave photonics, medicine.symptom, Noise, business, Microwave
Abstract

We developed an improved model in order to predict the RF behavior of the SOA valid for any experimental conditions. It takes into account the dynamic saturation of the SOA, which can be fully characterized by a simple measurement, and only relies on material fitting parameters, independent of the optical intensity and bias current. We used this new model to analyze and model the additive noise of the SOA in order to fully characterize the influence of the slow light effect on the microwave photonics link properties. To cite this article: P. Berger et al., C. R. Physique 10 (2009).

Published
2009

24. Ultra-wideband 'Rainbow' RF spectral analyzer

Author

Loic Morvan, Thierry Chanelière, Jean-Louis Le Gouët, Daniel Dolfi, Anne Louchet-Chauvet, Stephanie Molin, Muriel Schwarz, and Perrine Berger

Subjects
Spectrum analyzer, Optics, Materials science, business.industry, Bandwidth (signal processing), Spectral hole burning, Physics::Optics, Ultra-wideband, Electronics, Photonics, business, Transfer function, Time–frequency analysis
Abstract

We present a 20GHz instantaneous bandwidth spectrum analyzer, using spectral hole burning in Tm:YAG crystal cooled at 4K. The measured magnitude transfer function of the channels is presented and a comparison with electronics is outlined.

Published
2015

25. Interlaced spin grating for optical wave filtering

Author

J.-L. Le Gouët, Loïc Morvan, Anne Louchet-Chauvet, Perrine Berger, Thierry Chanelière, Heloise Linget, Laboratoire Aimé Cotton (LAC), Centre National de la Recherche Scientifique (CNRS)-Université Paris-Sud - Paris 11 (UP11)-École normale supérieure - Cachan (ENS Cachan), Thales Research and Technologies [Orsay] (TRT), and THALES

Subjects
Atomic Physics (physics.atom-ph), FOS: Physical sciences, Physics::Optics, Grating, Diffraction efficiency, law.invention, Physics - Atomic Physics, 81V45, Optical pumping, Optics, [PHYS.QPHY]Physics [physics]/Quantum Physics [quant-ph], law, Blazed grating, Physics::Atomic Physics, Physics, Signal processing, Quantum Physics, [PHYS.PHYS.PHYS-ATOM-PH]Physics [physics]/Physics [physics]/Atomic Physics [physics.atom-ph], business.industry, Electromagnetically induced grating, Atomic and Molecular Physics, and Optics, Optoelectronics, Ground state, business, Quantum Physics (quant-ph), Excitation
Abstract

Interlaced Spin Grating is a scheme for the preparation of spectro-spatial periodic absorption gratings in a inhomogeneously broadened absorption profile. It relies on the optical pumping of atoms in a nearby long-lived ground state sublevel. The scheme takes advantage of the sublevel proximity to build large contrast gratings with unlimited bandwidth and preserved average optical depth. It is particularly suited to Tm-doped crystals in the context of classical and quantum signal processing. In this paper, we study the optical pumping dynamics at play in an Interlaced Spin Grating and describe the corresponding absorption profile shape in an optically thick atomic ensemble. We show that, in Tm:YAG, the diffraction efficiency of such a grating can reach 18.3% in the small angle, and 11.6% in the large angle configuration when the excitation is made of simple pulse pairs, considerably outperforming conventional gratings., 11 pages, 13 figures in Physical Review A, 2015

Published
2015

26. Low noise semiconductor-based mode-locked laser at 800 nm suitable for high bandwidth photonic analogdigital conversion

Author

Muriel Scwharz, Perrine Berger, Loic Morvan, Ghaya Baili, Daniel Dolfi, and Pascale Nouchi

Subjects
Distributed feedback laser, Materials science, business.industry, Laser, law.invention, Vertical-cavity surface-emitting laser, Optics, law, Quantum dot laser, Optoelectronics, Semiconductor optical gain, Laser power scaling, Photonics, business, Tunable laser
Published
2014

27. 20 GHz instantaneous bandwidth RF spectrum analyzer with high time-resolution

Author

Daniel Dolfi, Loic Morvan, Perrine Berger, Thierry Chanelière, Anne Louchet-Chauvet, Jean-Louis Le Gouët, Stephanie Molin, Muriel Schwarz, Thales Research and Technology [Palaiseau], THALES, Laboratoire Aimé Cotton (LAC), Centre National de la Recherche Scientifique (CNRS)-Université Paris-Sud - Paris 11 (UP11)-École normale supérieure - Cachan (ENS Cachan), and Louchet-Chauvet, Anne

Subjects
Spectrum analyzer, Optics, Materials science, [SPI.OPTI] Engineering Sciences [physics]/Optics / Photonic, business.industry, [SPI.OPTI]Engineering Sciences [physics]/Optics / Photonic, Time resolution, Radio frequency, business, [SPI.SIGNAL]Engineering Sciences [physics]/Signal and Image processing, Instantaneous bandwidth, [SPI.SIGNAL] Engineering Sciences [physics]/Signal and Image processing
Abstract

International audience; We report on the experimental demonstration of a multi-gigahertz bandwidth RF spectrum analyzer exhibiting a resolution below 20 MHz, based on spectral hole burning in a rare-earth ion-doped crystal. To be compatible with demanding real-time spectrum monitoring applications, our demonstrator is designed to reach a high time resolution. For this purpose, we implemented the so-called "rainbow" architecture in which the spectral components of the incoming signal are angularly separated by the crystal, and are then acquired with a pixelated photodetector. The Tm 3+ :YAG crystal is programmed with a semiconductor DFB laser which frequency scan is servo-controlled and synchronized with the angular scan of a resonant galvanometric mirror, while a high-speed camera is used to acquire the spectra. In the perspective of future implementation within a system, the crystal is cooled below 4 K with a closed-cycle cryostat. With this setup, we have been able to monitor and record the spectrum of complex microwave signals over an instantaneous bandwidth above 20 GHz, with a time resolution below 100 µs, 400 resolvable frequency components and a probability of intercept of 100 %.

Published
2014

28. Ultranarrow resonance due to coherent population oscillations in a Λ-type atomic system

Author

F. Goldfarb, T. Lauprêtre, Rupamanjari Ghosh, Perrine Berger, Fabien Bretenaker, R. Faoro, and Santosh Kumar

Subjects
Physics, Coupling (physics), education.field_of_study, Electromagnetically induced transparency, Linear polarization, Metastability, Population, Perpendicular, Resonance, Atomic physics, Ground state, education, Atomic and Molecular Physics, and Optics
Abstract

It is well known that ultranarrow electromagnetically induced transparency (EIT) resonances can be observed in atomic gases at room temperature. We report here the experimental observation of another type of ultranarrow resonances, as narrow as the EIT ones, in a \Lambda-system selected by light polarization in metastable 4He at room temperature. It is shown to be due to coherent population oscillations in an open two-level system (TLS). For perpendicular linearly polarized coupling and probe beams, this system can be considered as two coupled open TLSs, in which the ground state populations exhibit anti-phase oscillations. We also predict theoretically that in case of two parallel polarizations, the system would behave like a closed TLS, and the narrow resonance associated with these oscillations would disappear.

Published
2012

29. Ultranarrow Coherent Population Oscillation Resonance in a Λ-type System

Author

Perrine Berger, R. Faoro, Rupamanjari Ghosh, Fabienne Goldfarb, Santosh Kumar, T. Lauprêtre, and Fabien Bretenaker

Subjects
Quantum optics, Physics, education.field_of_study, Four-wave mixing, Condensed matter physics, Electromagnetically induced transparency, Oscillation, Population, Resonance, Atomic physics, education, Laser beams, Magnetic field
Abstract

We report here the experimental observation of an ultranarrow resonance, as narrow as EIT ones, due to the transfer of coherent population oscillations to the lower states of a Λ-system.

Published
2012

30. Frequency unlimited optical delay lines based on slow and fast light in SOAs

Author

Jérôme Bourderionnet, Daniel Dolfi, Kresten Yvind, Mehdi Alouini, Minhao Pu, Perrine Berger, Fabien Bretenaker, Thales Research and Technology [Palaiseau], THALES [France], Department of Photonics Engineering [Lyngby], Danmarks Tekniske Universitet = Technical University of Denmark (DTU), Laboratoire Aimé Cotton (LAC), École normale supérieure - Cachan (ENS Cachan)-Université Paris-Sud - Paris 11 (UP11)-Centre National de la Recherche Scientifique (CNRS), Institut de Physique de Rennes (IPR), Université de Rennes (UR)-Centre National de la Recherche Scientifique (CNRS), THALES, Technical University of Denmark [Lyngby] (DTU), Université de Rennes 1 (UR1), and Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-Centre National de la Recherche Scientifique (CNRS)

Subjects
education.field_of_study, Signal processing, [PHYS.PHYS.PHYS-OPTICS]Physics [physics]/Physics [physics]/Optics [physics.optics], Materials science, Terahertz radiation, business.industry, Population, Physics::Optics, 02 engineering and technology, Carrier lifetime, 01 natural sciences, 010309 optics, 020210 optoelectronics & photonics, Optics, Modulation, 0103 physical sciences, Limit (music), 0202 electrical engineering, electronic engineering, information engineering, education, business
Abstract

International audience; We experimentally demonstrate that up-converted coherent population oscillations (CPO) in SOA open the possibility to conceive integrated optical tunable delay lines beyond the carrier lifetime limit, up to THz frequencies.

Published
2011

32. Slow light fiber systems in microwave photonics

Author

Salvador Sales, Perrine Berger, Juan Sancho-Dura, Sanghoon Chin, Jérôme Bourderionnet, and Luc Thévenaz

Subjects
microwave photonics, Optical fiber, Materials science, slow and fast light, stimulated Brillouin scattering, Physics::Optics, nonlinear fiber optics, 02 engineering and technology, Fiber optics, Analog signal processing, Band-stop filter, Slow light, 01 natural sciences, law.invention, 010309 optics, Optical-Fibers, 020210 optoelectronics & photonics, Optics, Brillouin scattering, law, 0103 physical sciences, 0202 electrical engineering, electronic engineering, information engineering, Signal processing, business.industry, Stimulated Brillouin-Scattering, business, Linear filter, Microwave
Abstract

Slow light systems are particularly attractive for analog signal processing, since their inherent limitation to a delay-bandwidth product of 1 is less critical for analog systems such as those used in microwave photonics. We present here the implementation of two basic functions - phase shifting and true time delaying - fully optically controlled using stimulated Brillouin scattering in optical fibers. The combination of these two functions makes possible the implementation of true time delays without limitation on the microwave carrier frequency using the separate carrier tuning technique. This is illustrated by the implementation of the delaying system for the realization of a microwave tunable notch filter.

Published
2011

33. Time delay generation at high frequency using SOA based slow and fast light

Author

Perrine Berger, Daniel Dolfi, Jérôme Bourderionnet, Mehdi Alouini, Fabien Bretenaker, Laboratoire Aimé Cotton (LAC), École normale supérieure - Cachan (ENS Cachan)-Université Paris-Sud - Paris 11 (UP11)-Centre National de la Recherche Scientifique (CNRS), Thales Research and Technology [Palaiseau], THALES [France], Département de Physique de l'Ecole Polytechnique (X-DEP-PHYS), École polytechnique (X), Institut de Physique de Rennes (IPR), Université de Rennes (UR)-Centre National de la Recherche Scientifique (CNRS), THALES, Université de Rennes 1 (UR1), and Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-Centre National de la Recherche Scientifique (CNRS)

Subjects
Physics, Time delays, education.field_of_study, business.industry, Population, 02 engineering and technology, Optical processing, Carrier lifetime, 01 natural sciences, Atomic and Molecular Physics, and Optics, [PHYS.PHYS.PHYS-GEN-PH]Physics [physics]/Physics [physics]/General Physics [physics.gen-ph], 010309 optics, Red shift, 020210 optoelectronics & photonics, Optics, Brillouin scattering, 0103 physical sciences, 0202 electrical engineering, electronic engineering, information engineering, Radio frequency, education, business
Abstract

International audience; We show how Up-converted Coherent Population Oscillations (UpCPO) enable to get rid of the intrinsic limitation of the carrier lifetime, leading to the generation of time delays at any high frequencies in a single SOA device. The linear dependence of the RF phase shift with respect to the RF frequency is theoretically predicted and experimentally evidenced at 16 and 35 GHz. (C) 2011 Optical Society of America

Published
2011

34. Influence of optical filtering on nonlinearities in SOA-based slow and fast light microwave phase shifter

Author

Daniel Dolfi, Jérôme Bourderionnet, Fabien Bretenaker, Gadi Eisenstein, Sean P. O Duill, Perrine Berger, Mehdi Alouini, Thales Research and Technology [Palaiseau], THALES, Laboratoire Aimé Cotton (LAC), École normale supérieure - Cachan (ENS Cachan)-Université Paris-Sud - Paris 11 (UP11)-Centre National de la Recherche Scientifique (CNRS), Institut de Physique de Rennes (IPR), Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-Centre National de la Recherche Scientifique (CNRS), THALES [France], and Université de Rennes (UR)-Centre National de la Recherche Scientifique (CNRS)

Subjects
[PHYS.PHYS.PHYS-OPTICS]Physics [physics]/Physics [physics]/Optics [physics.optics], Materials science, business.industry, Linearity, Biasing, 02 engineering and technology, Slow light, 01 natural sciences, 010309 optics, 020210 optoelectronics & photonics, Optics, Microwave phase shifter, Modulation, 0103 physical sciences, 0202 electrical engineering, electronic engineering, information engineering, Optoelectronics, Radio frequency, business, Optical filter, Phase shift module
Abstract

International audience; We present an experimental and numerical investigation of the influence of filtering the red-shifted modulation on the linearity of a microwave-photonics link with a CPO-based phase shifter. Different behavior versus SOA bias current are evidenced.

Published
2010

35. Intermodulation distortion in microwave phase shifters based on slow and fast light propagation in semiconductor optical amplifiers

Author

Gadi Eisenstein, Perrine Berger, Daniel Dolfi, Fabien Bretenaker, Sean P. O Duill, Mehdi Alouini, Jérôme Bourderionnet, Thales Research and Technology [Palaiseau], THALES [France], Laboratoire Aimé Cotton (LAC), École normale supérieure - Cachan (ENS Cachan)-Université Paris-Sud - Paris 11 (UP11)-Centre National de la Recherche Scientifique (CNRS), Institut de Physique de Rennes (IPR), Université de Rennes (UR)-Centre National de la Recherche Scientifique (CNRS), THALES, Université de Rennes 1 (UR1), and Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-Centre National de la Recherche Scientifique (CNRS)

Subjects
Physics, Optical amplifier, education.field_of_study, Sideband, business.industry, Population, Phase (waves), 02 engineering and technology, Fundamental frequency, 01 natural sciences, Atomic and Molecular Physics, and Optics, 010309 optics, [SDV.BBM.BP]Life Sciences [q-bio]/Biochemistry, Molecular Biology/Biophysics, 020210 optoelectronics & photonics, Optics, Distortion, 0103 physical sciences, 0202 electrical engineering, electronic engineering, information engineering, education, business, Microwave, Intermodulation
Abstract

International audience; We show theoretically and validate experimentally the effect of filtering on the nonlinear behavior of slow and fast light links based on coherent population oscillations in semiconductor optical amplifiers. The existence of a dip in the power-versus-current characteristics for the fundamental frequency, as well as for the third-order intermodulation product, is clearly evidenced. These two dips occur at different bias currents. Their depths increase as the filtering strength of the red sideband is increased, and they completely vanish in the unfiltered case. Influence on the microwave photonics link is discussed.

Published
2010

36. Nonlinear distortion and spurious-free dynamic range of a tunable delay line based on slow light in SOA

Author

Perrine Berger, Fabien Bretenaker, Mehdi Alouini, Daniel Dolfi, Jérôme Bourderionnet, Thales Research and Technology [Palaiseau], THALES, Laboratoire Aimé Cotton (LAC), École normale supérieure - Cachan (ENS Cachan)-Université Paris-Sud - Paris 11 (UP11)-Centre National de la Recherche Scientifique (CNRS), Institut de Physique de Rennes (IPR), Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-Centre National de la Recherche Scientifique (CNRS), Département de Physique de l'Ecole Polytechnique (X-DEP-PHYS), École polytechnique (X), THALES [France], and Université de Rennes (UR)-Centre National de la Recherche Scientifique (CNRS)

Subjects
Physics, education.field_of_study, [PHYS.PHYS.PHYS-OPTICS]Physics [physics]/Physics [physics]/Optics [physics.optics], Spurious-free dynamic range, business.industry, Population, 02 engineering and technology, Slow light, 01 natural sciences, 010309 optics, 020210 optoelectronics & photonics, Optics, Nonlinear distortion, Distortion, Harmonics, 0103 physical sciences, 0202 electrical engineering, electronic engineering, information engineering, High harmonic generation, education, business, Intermodulation
Abstract

International audience; We developed a predictive model describing harmonic generation and intermodulation distortions in semiconductor optical amplifiers (SOAs). This model takes into account the variations of the saturation parameters along the propagation axis inside the SOA, and uses a rigorous expression of the gain oscillations harmonics. We derived the spurious-free dynamic range (SFDR) of a slow light delay line based on coherent population oscillation (CPO) effects, in a frequency range covering radar applications (from 40 kHz up to 30 GHz), and for a large range of injected currents. The influence of the high order distortions in the input microwave spectrum is discussed, and in particular, an interpretation of the SFDR improvement of a Mach-Zehnder modulator by CPOs effects in a SOA is given.

Published
2010

37. Dynamic saturation in semiconductor optical amplifiers: accurate model, role of carrier density, and slow light

Author

Fabien Bretenaker, Perrine Berger, Daniel Dolfi, Mehdi Alouini, Jérôfme Bourderionnet, Thales Research and Technology [Palaiseau], THALES, Laboratoire Aimé Cotton (LAC), École normale supérieure - Cachan (ENS Cachan)-Université Paris-Sud - Paris 11 (UP11)-Centre National de la Recherche Scientifique (CNRS), Institut de Physique de Rennes (IPR), Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-Centre National de la Recherche Scientifique (CNRS), Département de Physique de l'Ecole Polytechnique (X-DEP-PHYS), École polytechnique (X), THALES [France], and Université de Rennes (UR)-Centre National de la Recherche Scientifique (CNRS)

Subjects
Materials science, FOS: Physical sciences, 02 engineering and technology, Slow light, 01 natural sciences, Sensitivity and Specificity, 010309 optics, 020210 optoelectronics & photonics, Charge-carrier density, 0103 physical sciences, 0202 electrical engineering, electronic engineering, information engineering, Computer Simulation, Saturation (magnetic), Optical amplifier, [PHYS.PHYS.PHYS-OPTICS]Physics [physics]/Physics [physics]/Optics [physics.optics], Model role, Amplifiers, Electronic, business.industry, Optical Devices, Reproducibility of Results, Equipment Design, Models, Theoretical, Atomic and Molecular Physics, and Optics, Computational physics, Equipment Failure Analysis, 250.5980, 070.6020, Semiconductor, Semiconductors, Optical intensity, Computer-Aided Design, business, Physics - Optics, Optics (physics.optics)
Abstract

We developed an improved model in order to predict the RF behavior and the slow light properties of the SOA valid for any experimental conditions. It takes into account the dynamic saturation of the SOA, which can be fully characterized by a simple measurement, and only relies on material fitting parameters, independent of the optical intensity and the injected current. The present model is validated by showing a good agreement with experiments for small and large modulation indices., Comment: 9 pages, 5 figures

Published
2009
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38. Laser sources for microwave to millimeter-wave applications [Invited]

Author

Loic Morvan, Gael Kervella, Hadrien Lanctuit, Frederic van Dijk, Gregoire Pillet, Perrine Berger, Mickael Faugeron, Daniel Dolfi, and Jeremy Maxin

Subjects
Physics, business.industry, Injection seeder, Laser, Atomic and Molecular Physics, and Optics, Electronic, Optical and Magnetic Materials, law.invention, Semiconductor laser theory, Laser linewidth, law, Quantum dot laser, Optoelectronics, Laser power scaling, business, Microwave, Tunable laser
Abstract

We present several laser sources dedicated to advanced microwave photonic applications. A quantum-dash mode-locked laser delivering a high-power, ultra-stable pulse train is first described. We measure a linewidth below 300 kHz at a 4.3 GHz repetition rate for an output power above 300 mW and a pulse duration of 1.1 ps after compression, making this source ideal for microwave signal sampling applications. A widely tunable (5–110 GHz), monolithic millimeter-wave transceiver based on the integration of two semiconductor distributed feedback lasers, four amplifiers, and two high-speed uni-traveling carrier photodiodes is then presented, together with its application to the wireless transmission of data at 200 Mb/s. A frequency-agile laser source dedicated to microwave signal processing is then described. It delivers arbitrary frequency sweeps over 20 GHz with high precision and high speed (above 400 GHz/ms). Finally, we report on a low-noise (below 1 kHz linewidth), solid-state, dual-frequency laser source. It allows independent tuning of the two frequencies in the perspective of the implementation of a tunable optoelectronic oscillator based on a high-Q optical resonator.

Published
2014

39. Theoretical Study of the Spurious-Free Dynamic Range of a Tunable Delay Line based on Slow Light in SOA

Author

Daniel Dolfi, Jérôme Bourderionnet, Perrine Berger, Fabien Bretenaker, Mehdi Alouini, Thales Research and Technology [Palaiseau], THALES, Laboratoire Aimé Cotton (LAC), École normale supérieure - Cachan (ENS Cachan)-Université Paris-Sud - Paris 11 (UP11)-Centre National de la Recherche Scientifique (CNRS), Photonique et Lasers, Institut de Physique de Rennes (IPR), Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-Centre National de la Recherche Scientifique (CNRS)-Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-Centre National de la Recherche Scientifique (CNRS), Département de Physique de l'Ecole Polytechnique (X-DEP-PHYS), École polytechnique (X), THALES [France], and Université de Rennes (UR)-Centre National de la Recherche Scientifique (CNRS)-Université de Rennes (UR)-Centre National de la Recherche Scientifique (CNRS)

Subjects
Spurious-free dynamic range, Light, Population, FOS: Physical sciences, 02 engineering and technology, Slow light, Sensitivity and Specificity, 01 natural sciences, Scattering, 010309 optics, 020210 optoelectronics & photonics, Optics, Theoretical, Models, Oscillometry, 0103 physical sciences, Oscillometry/instrumentation, 0202 electrical engineering, electronic engineering, information engineering, Scattering, Radiation, High harmonic generation, Computer Simulation, education, Optical amplifier, Physics, [PHYS.PHYS.PHYS-OPTICS]Physics [physics]/Physics [physics]/Optics [physics.optics], education.field_of_study, Radiation, Dynamic range, business.industry, Reproducibility of Results, Equipment Design, Models, Theoretical, Atomic and Molecular Physics, and Optics, Equipment Failure Analysis, Semiconductors, Harmonics, Computer-Aided Design, business, Optics (physics.optics), Physics - Optics, Intermodulation
Abstract

We developed a predictive model describing harmonic generation and intermodulation distortions in semiconductor optical amplifiers (SOAs). This model takes into account the variations of the saturation parameters along the propagation axis inside the SOA, and uses a rigorous expression of the gain oscillations harmonics. We derived the spurious-free dynamic range (SFDR) of a slow light delay line based on coherent population oscillation (CPO) effects, in a frequency range covering radar applications (from 40kHz up to 30GHz), and for a large range of injected currents. The influence of the high order distortions in the input microwave spectrum is discussed, and in particular, an interpretation of the SFDR improvement of a Mach-Zehnder modulator by CPOs effects in a SOA is given., 12 pages, 5 figures (8 attached figures)

Published
2009

40. Broadband true time delay for microwave signal processing, using slow light based on stimulated Brillouin scattering in optical fibers

Author

Juan Sancho, Sanghoon Chin, Salvador Sales, José Capmany, Luc Thévenaz, Perrine Berger, Daniel Dolfi, and Jérôme Bourderionnet

Subjects
Stimulated Brillouin, Materials science, Optical fiber, Nonlinear optics, Fiber optics and optical communications : Nonlinear optics, fibers, Physics::Optics, 02 engineering and technology, Fiber optics, Slow light, 01 natural sciences, law.invention, 010309 optics, Scattering, 020210 optoelectronics & photonics, Optics, Brillouin scattering, law, 0103 physical sciences, TEORIA DE LA SEÑAL Y COMUNICACIONES, Fourier optics and signal processing : Analog optical signal processing, 0202 electrical engineering, electronic engineering, information engineering, Fiber optics and optical communications : Fiber optics, Scattering : Scattering, stimulated Brillouin, Signal processing, Analogue signal processing, business.industry, True time delay, Atomic and Molecular Physics, and Optics, Fibers, Optoelectronics, Photonics, business, Phase shift module, Photonic-crystal fiber
Abstract

[EN] We experimentally demonstrate a novel technique to process broadband microwave signals, using all-optically tunable true time delay in optical fibers. The configuration to achieve true time delay basically consists of two main stages: photonic RF phase shifter and slow light, based on stimulated Brillouin scattering in fibers. Dispersion properties of fibers are controlled, separately at optical carrier frequency and in the vicinity of microwave signal bandwidth. This way time delay induced within the signal bandwidth can be manipulated to correctly act as true time delay with a proper phase compensation introduced to the optical carrier. We completely analyzed the generated true time delay as a promising solution to feed phased array antenna for radar systems and to develop dynamically reconfigurable microwave photonic filters. (C) 2010 Optical Society of America, We acknowledge the support from the Swiss National Science Foundation through project 200020-121860 and the support from the European Union FP7 project GOSPEL.

41. Influence of slow light effect in semiconductor amplifiers on the dynamic range of microwave-photonics links

Author

Fabien Bretenaker, Perrine Berger, Daniel Dolfi, Jérôme Bourderionnet, and Mehdi Alouini

Subjects
Optical amplifier, Amplified spontaneous emission, Optics, Materials science, business.industry, Dynamic range, Amplifier, Phase noise, Optoelectronics, Spontaneous emission, Radio frequency, Slow light, business
Abstract

We propose a theoretical and experimental analysis of the dynamic range of a SOA-based photonic-microwave link. The dynamic range is found constant versus RF frequency, in particular near the gain dip associated with slowlight effects.

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