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102 results on '"Pasquazi A"'

1. Surface Terahertz Emission from 2D-flakes micro-junctions

Author

Alan B. Dalton, Sean P. Ogilvie, Matthew Large, Luke Peters, Jacob Tunesi, Alessia Pasquazi, J. S. Totero Gongora, and Marco Peccianti

Subjects
Surface (mathematics), Materials science, business.industry, Terahertz radiation, Energy conversion efficiency, Physics::Optics, Condensed Matter::Mesoscopic Systems and Quantum Hall Effect, Optical rectification, Semiconductor, Modulation, Surface wave, Benchmark (computing), Optoelectronics, business
Abstract

We consider the passive modulation of the surface field at a junction between semiconductors and 2D-materials. We experimentally demonstrate that this boosts the optical-to-terahertz conversion efficiency beyond that of benchmark surface emitters.

Published
2019
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2. Terahertz Time-Dependent Random Metamaterials

Author

Marco Peccianti, Jacob Tunesi, J. S. Totero Gongora, Alessia Pasquazi, Luke Peters, and Andrea Fratalocchi

Subjects
Nonlinear system, Optical rectification, Materials science, Terahertz radiation, business.industry, Physics::Optics, Metamaterial, Optoelectronics, business, Plasmonic metamaterials, Terahertz spectroscopy and technology
Abstract

Plasmonic metamaterials enable access to extremely nonlinear regimes with remarkable full-field control. We theoretically and experimentally demonstrate a novel form of photo-induced semiconducting Time-Dependent metamaterial at THz frequencies.

Published
2019
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3. Affordable, ultra-broadband coherent detection of terahertz pulses via CMOS-compatible solid-state devices

Author

Andrey Markov, Marco Peccianti, Sze Phing Ho, Luca Razzari, Yoann Jestin, Alessandro Busacca, Mohamed Chaker, Xin Jin, Roberto Morandotti, Anna Mazhorova, Alessia Pasquazi, Sebastien Delprat, Jalil Ali, Matteo Clerici, Alessandro Tomasino, Riccardo Piccoli, Tomasino, A, Mazhorova, A, Clerici, M, Peccianti, M, Ho, SP, Jestin, Y, Pasquazi, A, Markov, A, Jin, X, Piccoli, R, Delprat, S, Chaker, M, Busacca, A, Ali, J, Razzari, L, and Morandotti, R

Subjects
Materials science, business.industry, Terahertz radiation, Spectral density, Second-harmonic generation, Settore ING-INF/02 - Campi Elettromagnetici, 02 engineering and technology, 021001 nanoscience & nanotechnology, Settore ING-INF/01 - Elettronica, 01 natural sciences, Electromagnetic radiation, Terahertz spectroscopy and technology, Optics, Nonlinear optics, Ultrafast optics, Far infrared or terahertz, Solid state detectors, Electric field, 0103 physical sciences, Broadband, Optoelectronics, Heterodyne detection, 010306 general physics, 0210 nano-technology, business
Abstract

We demonstrate the first fully solid-state technique for the coherent detection of ultra-broadband THz pulses (0.1-10 THz), relying on the electric-field-induced second-harmonic generation attained in integrated CMOS-compatible devices.

Published
2017
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4. Photo-induced THz Plasmonics in Black Silicon

Author

J. S. Totero Gongora, Marco Peccianti, Jacob Tunesi, Andrea Fratalocchi, Luke Peters, and Alessia Pasquazi

Subjects
Materials science, Silicon, Terahertz radiation, business.industry, Black silicon, Phase (waves), Physics::Optics, chemistry.chemical_element, Pulse (physics), chemistry.chemical_compound, Optical rectification, Amplitude, chemistry, Optoelectronics, business, Plasmon
Abstract

We experimentally investigated a novel form of photo-induced plasmonic response, in nanostructured silicon, at THz frequencies which can be employed to precisely control the full-wave properties, i.e. amplitude and phase, of the generated THz pulse.

Published
2018
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5. Nonlinear Surface THz-optical mechanism at extreme excitations

Author

Alessia Pasquazi, Marco Peccianti, Jacob Tunesi, and Luke Peters

Subjects
Physics, Surface (mathematics), Nonlinear system, Optical rectification, Terahertz radiation, Surface field, Electric field, Physics::Optics, Molecular physics, Excitation, Characterization (materials science)
Abstract

Surface-Terahertz generation at high excitation is dominated by both the nonlinear response and surface field dynamics. Our experimental characterization sheds light on this synergy revealing that no hard saturated limit for the THz emission exists.

Published
2018
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8. Dynamically unstable regimes and chaos control through Four Wave Mixing in Ring Microresonators

Author

Marco Peccianti, Alessia Pasquazi, Li Jin, David J. Moss, Sai T. Chu, Roberto Morandotti, and Luigi Di Lauro

Subjects
Physics, Four-wave mixing, Nonlinear system, Work (thermodynamics), Ring (mathematics), Control theory, Cross-phase modulation, Thermal, Chaotic, Mechanics, Mixing (physics)
Abstract

In this work, we study the nonlinear dynamics of micro-resonators in the presence of a thermo-optic effect, showing that four-wave mixing can trigger and control periodic thermal instabilities and chaotic regimes.

Published
2017
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10. Filter-Driven Four Wave Mixing Laser with a Controllable Repetition Rate

Author

Luigi Di Lauro, Marco Peccianti, Roberto Morandotti, Hualong Bao, Sai T. Chu, Alessia Pasquazi, Brent E. Little, David J. Moss, Andrew Cooper, and Maxwell Rowley

Subjects
Optical amplifier, Materials science, business.industry, Parametric oscillation, Laser, law.invention, Four-wave mixing, Optics, Cross-polarized wave generation, Mode-locking, law, Robust control, business, Coherence (physics)
Abstract

We demonstrate a robust control over the repetition rate of a micro-comb laser by using the Filter-Driven Four Wave Mixing scheme. Results show that the coherence can be kept during the whole process.

Published
2017
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11. Route to Photo-Enabled Random Terahertz Metasurfaces

Author

Andrea Fratalocchi, Alessia Pasquazi, Marco Peccianti, J. S. Totero Gongora, Jacob Tunesi, and Luke Peters

Subjects
Materials science, business.industry, Terahertz radiation, Astrophysics::High Energy Astrophysical Phenomena, Black silicon, Physics::Optics, Optical rectification, Phase change, chemistry.chemical_compound, Regenerative amplification, chemistry, Electric field, Optoelectronics, sense organs, business, Refractive index
Abstract

We experimentally investigate the enhancement and phase change of the THz emission from photo-excited randomly structured black silicon substrates mediated by an induced metallic state of the nanostructured surface.

Published
2017
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12. Type II Micro-comb based on a Filter-Driven Four Wave Mixing Laser

Author

Marco Peccianti, David J. Moss, Sai T. Chu, Alessia Pasquazi, Andrew Cooper, Roberto Morandotti, Brent E. Little, and Hualong Bao

Subjects
Optical amplifier, Materials science, business.industry, Laser pumping, Laser, law.invention, Four-wave mixing, Optics, Cross-polarized wave generation, Mode-locking, law, Filter (video), Q factor, business
Abstract

We numerically and experimentally demonstrate the generation of Type II micro-combs in a Filter-Driven four wave mixing laser, showing that the generated Type II micro-combs are fully coherent.

Published
2017
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17. Affordable, ultra-broadband coherent detection of terahertz pulses via CMOS-compatible solid-state devices

Author

Tomasino, Alessandro, primary, Mazhorova, Anna, additional, Clerici, Matteo, additional, Peccianti, Marco, additional, Ho, Sze-Phing, additional, Jestin, Yoann, additional, Pasquazi, Alessia, additional, Markov, Andrey, additional, Jin, Xin, additional, Piccoli, Riccardo, additional, Delprat, Sebastien, additional, Chaker, Mohamed, additional, Busacca, Alessandro, additional, Ali, Jalil, additional, Razzari, Luca, additional, and Morandotti, Roberto, additional

Published
2017
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21. Four Wave Mixing in a CMOS Compatible 5th Order Cascaded Ring Resonators

Author

Alessia Pasquazi, David J. Moss, Marco Peccianti, Roberto Morandotti, Li Jin, Sai T. Chu, Luigi Di Lauro, and Brent E. Little

Subjects
Resonator, Four-wave mixing, Optics, Materials science, business.industry, Thermal, Bandwidth (signal processing), Optoelectronics, Nonlinear optics, Photonics, business, Cmos compatible
Abstract

Four-wave mixing in a thermal tunable 5th order cascaded CMOS compatible ring resonators is experimentally and numerically investigated. Flat bandwidth conversion of 3.1GHz is obtained for a range of parameter.

Published
2015
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22. Integrated bi-chromatically pumped optical parametric oscillator for orthogonally polarized photon pair generation

Author

Piotr Roztocki, Marco Peccianti, Alessia Pasquazi, Marcello Ferrera, Matteo Clerici, Yoann Jestin, David J. Moss, Christian Reimer, Michael Kues, Benjamin Wetzel, Brent E. Little, Lucia Caspani, Roberto Morandotti, and Sai T. Chu

Subjects
Quantum optics, Physics, Photon, business.industry, Physics::Optics, Physical optics, Four-wave mixing, Resonator, Optics, Spontaneous parametric down-conversion, Optical parametric oscillator, Optoelectronics, business, Quantum
Abstract

We demonstrate a novel bi-chromatically pumped OPO operating on orthogonal polarizations in a CMOS compatible micro-ring resonator. Below threshold the device operates in the quantum regime and cross-polarized heralded photons are directly generated.

Published
2015
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23. Passive Mode-Locking at 1.8 μm using a High-Order Microring Resonator in a Figure-Eight Fiber Laser

Author

Ping Kong Alexander Wai, K. S. Tsang, Li Jin, Victor Ho, Sai T. Chu, Jack Cheung, Alessia Pasquazi, and Ray Man

Subjects
Materials science, Light detection, business.industry, Laser, law.invention, X-ray laser, Resonator, Four-wave mixing, Optics, Mode-locking, law, Fiber laser, Optoelectronics, Time-resolved spectroscopy, business
Abstract

We demonstrated a 1.81 μm mode-locked figure-eight laser using an integrated 11-th order microring resonator. Mode-locked train centered at 1.81 μm with repetition rate of 9.09 MHz is achieved.

Published
2015
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25. Nonlinear Disorder Mapping via Wave Mixing in poled Lithium Tantalate

Author

Gaetano Assanto, Salvatore Stivala, Alessia Pasquazi, Alessandro Busacca, Roberto Morandotti, Pasquazi, A, Busacca, A, Stivala, S, Morandotti, R, and Assanto, G

Subjects
Materials science, Condensed matter physics, business.industry, Physics::Optics, Second-harmonic generation, Space (mathematics), Second-harmonic generation, Random quasi-phase-matching, Image analysis, chemistry.chemical_compound, symbols.namesake, Nonlinear system, Fourier transform, Quadratic equation, Optics, chemistry, Lithium tantalate, symbols, Spatial frequency, business, Mixing (physics)
Abstract

We introduce and test a simple approach for the characterization of domain distribution in bulk quadratic ferroelectric crystals, specifically periodically poled Lithium Tantalate with random mark-to space ratio.

Published
2010
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26. Interacting Solitons in a High Index Glass

Author

E. D'Asaro, Alessia Pasquazi, Salvatore Stivala, Gaetano Assanto, S. Heidari-Bateni, Pasquazi, A, D'Asaro, E, Heidari-Bateni, S, Stivala, S, and Assanto, G

Subjects
Physics, Index (economics), Optics, Kerr effect, Optical glass, Condensed matter physics, business.industry, Nonlinear optics, business, Refractive index, Waveguide (optics), Nonlinear optics, Kerr effect, Spatial solitons
Abstract

We investigate the interaction of two coherent 2D+1 solitary beams in a high index glass.

Published
2010
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27. Nonlinear Disorder Mapping via Three Wave Mixing in Poled Lithium Tantalate

Author

Gaetano Assanto, Roberto Morandotti, Alessia Pasquazi, Alessandro Busacca, Salvatore Stivala, Pasquazi, A, Busacca, A, Stivala, S, Morandotti, R, and Assanto, G

Subjects
Materials science, Condensed matter physics, business.industry, Stochastic process, Physics::Optics, Nonlinear optics, Second-harmonic generation, Image processing, Nonlinear optics, Nonlinear wave mixing, Ferroelectricity, chemistry.chemical_compound, Nonlinear system, symbols.namesake, Optics, Fourier transform, chemistry, Lithium tantalate, symbols, business, Mixing (physics)
Abstract

We introduce and test a simple approach for the characterization of domain distribution in bulk quadratic ferroelectric crystals, such as periodically poled Lithium Tantalate with random mark-to space ratio.

Published
2010
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28. Direct Generation of Orthogonally Polarized Photon Pairs on a Chip via Spontaneous Non-Degenerate FWM

Author

Roberto Morandotti, Marco Peccianti, Matteo Clerici, Marcello Ferrera, Yoann Jestin, Christian Reimer, Sai T. Chu, Lucia Caspani, Alessia Pasquazi, Luca Razzari, Brent E. Litte, and David J. Moss

Subjects
Quantum optics, Physics, Amplified spontaneous emission, Photon, Optics, Spontaneous parametric down-conversion, business.industry, Degenerate energy levels, Parametric oscillation, Physics::Optics, business, Chip, Phase matching
Abstract

By suppressing stimulated processes, we directly generate orthogonally polarized photon pairs on a chip via spontaneous non-degenerate FWM between orthogonally polarized pumps. Photon coincidences and optical parametric oscillation are measured.

Published
2014
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29. Terahertz Field Induced Second Harmonic Coherent Detection Scheme based on a Biased Nonlinear Micro-slit

Author

Marco Peccianti, Anna Mazhorova, Jalil Ali, Luca Razzari, Matteo Clerici, Sze Phing Ho, Alessia Pasquazi, and Roberto Morandotti

Subjects
Physics, Optics, Terahertz gap, Field (physics), business.industry, Terahertz radiation, Electric field, Harmonic, Second-harmonic generation, Optoelectronics, Heterodyne detection, business, Terahertz spectroscopy and technology
Abstract

We demonstrated coherent Terahertz characterization based on Terahertz Field Induced Second Harmonic effect in a Silica samples, operated with 10-100 V sources. Our sample is an infinitely long 30 μm slit written in gold. Our results pave the way to a novel approach towards broadband THz detection.

Published
2014
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30. On Chip Broadband Terahertz Detection via Four-Wave Mixing in Electrically Biased Silica Micro-Slits

Author

Marco Peccianti, Jalil Ali, Matteo Clerici, Roberto Morandotti, Luca Razzari, Alessia Pasquazi, Sze Phing Ho, and Anna Mazhorova

Subjects
Terahertz gap, Materials science, business.industry, Terahertz radiation, Far-infrared laser, Physics::Optics, Terahertz spectroscopy and technology, Photomixing, Four-wave mixing, Optics, Broadband, Optoelectronics, Heterodyne detection, business
Abstract

Exploiting four-wave mixing between an optical probe and a Terahertz field in a few micrometers thick Silica sample we demonstrate broadband coherent Terahertz detection by applying a bias as low as 100 V.

Published
2014
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31. Spatial Soliton Dynamics in Two-Dimensional Quadratic Photonic Crystals

Author

Katia Gallo, Gaetano Assanto, Alessia Pasquazi, Salvatore Stivala, Gallo, K, Stivala, S, Pasquazi, A, and Assanto, G

Subjects
Physics, Nonlinear Optic, Lithium niobate, Physics::Optics, Second-harmonic generation, Nonlinear optics, Soliton (optics), chemistry.chemical_compound, Nonlinear system, Lithium Niobate, Planar, chemistry, Quantum mechanics, Crystal optics, Photonic crystal
Abstract

We present a theoretical and experimental investigation of soliton dynamics associated to twin-beam second harmonic generation in a purely nonlinear two-dimensional planar photonic lattice in LiNbO3.

Published
2007
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32. Asymmetric Dual-Grating Micro-Slit Configuration for Broadband Solid State Coherent Detection of THz Pulses

Author

Mazhorova, Anna, primary, Clerici, Matteo, additional, Peccianti, Marco, additional, Ho, Sze-Phing, additional, Razzari, Luca, additional, Jestin, Yoann, additional, Pasquazi, Alessia, additional, Tomasino, Alessandro, additional, Markov, Andrey, additional, Piccoli, Riccardo, additional, Busacca, Alessandro, additional, Ali, Jalil, additional, and Morandotti, Roberto, additional

Published
2016
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33. Mode-locked laser based on an integrated nonlinear microring resonator generating a dual comb

Author

Marco Peccianti, Brent E. Little, Alessia Pasquazi, David J. Moss, Sai T. Chu, and Roberto Morandotti

Subjects
Materials science, business.industry, Physics::Optics, Laser, law.invention, Resonator, Nonlinear system, Four-wave mixing, Optics, Mode-locking, Modulation, law, Fiber laser, Optoelectronics, Physics::Atomic Physics, Monochromatic color, business
Abstract

We report a mode locked laser based on an integrated high-Q microring resonator with a highly monochromatic radiofrequency modulation thanks to the stable operation of two slightly shifted spectral optical comb replicas.

Published
2012
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34. Self-locked OPO in CMOS-compatible microring resonators

Author

Brent E. Little, Luca Razzari, Roberto Morandotti, Marco Peccianti, D. Duchesne, Sai T. Chu, David J. Moss, Matteo Clerici, Marcello Ferrera, Lucia Caspani, and Alessia Pasquazi

Subjects
OPOS, Materials science, business.industry, Parametric oscillation, Physics::Optics, Thermal fluctuations, Computer Science::Other, Resonator, Four-wave mixing, Computer Science::Emerging Technologies, Optics, Optoelectronics, business, Lasing threshold, Cmos compatible
Abstract

We report a novel geometry for OPOs in a CMOS-compatible microring resonator. It exploits non-critical lasing of the pump inherently positioned within the resonances of the microcavity, thus counteracting the effect of thermal fluctuations.

Published
2012
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35. A novel extraction algorithm for spectral phase interferometry

Author

David J. Moss, Marco Peccianti, José Azaña, Alessia Pasquazi, and Roberto Morandotti

Subjects
Interferometry, Engineering, Time windows, business.industry, Extraction (chemistry), Phase (waves), Electronic engineering, Extraction algorithm, Second-harmonic generation, business
Abstract

We demonstrate an innovative extraction algorithm for X-SPIDER that significantly extends the measurement time window of the method without requiring device design modifications.

Published
2012
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36. Sub-ps Laser Based on a CMOS Compatible Integrated Microring Resonator

Author

Sai T. Chu, Alessia Pasquazi, Marco Peccianti, Yongwoo Park, Roberto Morandotti, David J. Moss, and Brent E. Little

Subjects
Materials science, business.industry, Laser, Ring (chemistry), law.invention, Four-wave mixing, Resonator, Nonlinear system, Optics, CMOS, law, Dissipative system, Optoelectronics, business, Tunable laser
Abstract

We present a dissipative four wave mixing tunable laser based on a integrated CMOS-compatible high-Q nonlinear ring resonator, emitting subpicosecond pulses at 200GHz-repetition rate. Quasi-sinusoidal 800GHz emission regime is also demonstrated.

Published
2011
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37. Notch Nonlinear Frequency Shift in AlGaAs Bragg Grating Waveguides

Author

Matteo Clerici, Marco Peccianti, Katarzyna A. Rutkowska, Micheal J. Strain, Alessia Pasquazi, Pamela Tannouri, Roberto Morandotti, Sze Phing Ho, Ian Rowe, and Marc Sorel

Subjects
Condensed Matter::Quantum Gases, Optical amplifier, Materials science, business.industry, Spectral density, Physics::Optics, Nonlinear optics, Spectral line, Blueshift, law.invention, Nonlinear system, Optics, Fiber Bragg grating, law, Pulse compression, Optoelectronics, Self-phase modulation, business, Optical filter, Waveguide
Abstract

We present an investigation on the nonlinear dynamics of intense pulses in an AlGaAs Bragg waveguide and we report the experimental observation of an intensity dependent blue-shift of the Bragg notch spectral line.

Published
2011
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39. Integrated bi-chromatically pumped optical parametric oscillator for orthogonally polarized photon pair generation

Author

Reimer, Christian, primary, Kues, Michael, additional, Caspani, Lucia, additional, Wetzel, Benjamin, additional, Roztocki, Piotr, additional, Clerici, Matteo, additional, Jestin, Yoann, additional, Ferrera, Marcello, additional, Peccianti, Marco, additional, Pasquazi, Alessia, additional, Little, Brent E., additional, Chu, Sai T., additional, Moss, David J., additional, and Morandotti, Roberto, additional

Published
2015
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43. Subpicosecond Ultra High Speed Soliton Laser based on a C-MOS Compatible Integrated Microring Resonator

Author

Sai T. Chu, Marco Peccianti, Yongwoo Park, Dave J. Moss, Roberto Morandotti, Brent E. Little, and Alessia Pasquazi

Subjects
Materials science, business.industry, Physics::Optics, Nonlinear optics, Laser, law.invention, Nonlinear system, Four-wave mixing, Resonator, Optics, Mode-locking, law, Fiber laser, Optoelectronics, Soliton, business
Abstract

We present a subpicosecond, ultrahigh repetition rate, passively mode-locked laser based on four-wave mixing in an integrated CMOS-compatible high-Q nonlinear ring resonator.

Published
2010
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44. Ultra High Speed Soliton Laser Based on a C-MOS Compatible Integrated Microring Resonator

Author

David J. Moss, Marco Peccianti, Yongwoo Park, Sai T. Chu, Alessia Pasquazi, Roberto Morandotti, and Brent E. Little

Subjects
Physics, business.industry, Nonlinear optics, Soliton (optics), Laser, law.invention, Resonator, Four-wave mixing, Optics, Mode-locking, law, Fiber laser, Optoelectronics, Laser power scaling, business
Abstract

We present a subpicosecond, 200GHz-repetition rate, passively mode-locked laser based on the dissipative four-wave mixing scheme exploiting a integrated CMOS-compatible high-Q nonlinear ring resonator.

Published
2010
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45. Interaction of spatial solitons in a high-index glass

Author

Gaetano Assanto, Elena D'Asaro, Alessia Pasquazi, and Schirin Heidari-Bateni

Subjects
Physics, symbols.namesake, Nonlinear absorption, Quantum mechanics, Picosecond, symbols, Dissipative system, Physics::Optics, Nonlinear optics, Atomic physics, Absorption (electromagnetic radiation), Nonlinear Sciences::Pattern Formation and Solitons, Nonlinear Schrödinger equation
Abstract

Using near-infrared picosecond pulses we investigate spatial solitons and their coherent interaction in a dissipative Kerr-like glass with multiphoton absorption. The results are modelled by a dissipative nonlinear Schrodinger equation.

Published
2010
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46. All optical wavelength conversion in an integrated ring resonator

Author

Raja Ahmad, Brent E. Little, Alessia Pasquazi, David J. Moss, Roberto Morandotti, Sai T. Chu, Michael R. E. Lamont, and Martin Rochette

Subjects
Materials science, business.industry, Transducers, Nonlinear optics, Optical Devices, Physics::Optics, Equipment Design, Wavelength conversion, Ring (chemistry), Atomic and Molecular Physics, and Optics, Power (physics), Equipment Failure Analysis, Systems Integration, Resonator, Four-wave mixing, All optical, Optics, CMOS, Gigabit, Q factor, Micro ring resonator, Telecommunications, Optoelectronics, business
Abstract

We present the first system penalty measurements for all-optical wavelength conversion in an integrated ring resonator. We achieve wavelength conversion over a range of 27.7 nm in the C-band at 2.5 Gb/s by exploiting four wave mixing in a CMOS compatible, high index glass ring resonator at approximately 22 dBm average pump power, obtaining0.3 dB system penalty.

Published
2010
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47. Enhancement of third harmonic generation in nonlocal solitons

Author

Alessia Pasquazi, Roberto Morandotti, Marco Peccianti, and Gaetano Assanto

Subjects
Condensed Matter::Soft Condensed Matter, Optical amplifier, Physics, Condensed matter physics, Liquid crystal, Excited state, Physics::Optics, Nonlinear optics, Third harmonic, Nonlinear Sciences::Pattern Formation and Solitons, Phase matching, Laser light
Abstract

We report on the observation of type I third harmonic generation enhanced by tight localization of fs laser light in nonlocal spatial solitons excited in nematic liquid crystals.

Published
2010
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48. Subpicosecond 200GHz soliton laser based on a C-MOS compatible integrated microring resonator

Author

David J. Moss, Roberto Morandotti, Alessia Pasquazi, Marco Peccianti, Yongwoo Park, Sai T. Chu, and Brent E. Little

Subjects
Materials science, business.industry, Nonlinear optics, Soliton (optics), Laser, law.invention, Four-wave mixing, Resonator, Optics, CMOS, Mode-locking, law, Fiber laser, Optoelectronics, business
Abstract

We present a subpicosecond, 200GHz-repetition rate, passively mode-locked laser based on high-harmonic four-wave mixing in an integrated CMOS-compatible high-Q nonlinear ring resonator.

Published
2010
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49. Dissipative Four Wave Mixing Sub-ps Laser Based on a CMOS Compatible Integrated Microring Resonator

Author

Brent E. Little, Marco Peccianti, David J. Moss, Yongwoo Park, Alessia Pasquazi, Sai T. Chu, and Roberto Morandotti

Subjects
Materials science, business.industry, Nonlinear optics, Laser, law.invention, Resonator, Four-wave mixing, Optics, law, Fiber laser, Dissipative system, Optoelectronics, Photonics, business, Tunable laser
Abstract

We present a dissipative four wave mixing tunable laser based on a integrated CMOS-compatible high-Q nonlinear ring resonator, emitting subpicosecond pulses at 200GHz-repetition rate. Quasi-sinusoidal 800GHz emission regime is also demonstrated.

Published
2010
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50. Efficient wavelength conversion and net parametric gain via FWM in a high index doped silica waveguide

Author

Yongwoo Park, Alessia Pasquazi, François Légaré, José Azaña, Sai T. Chu, David J. Moss, Brent E. Little, and Roberto Morandotti

Subjects
Materials science, business.industry, Doping, Physics::Optics, Chalcogenide glass, Waveguide (optics), Power (physics), Four-wave mixing, Optics, Net gain, Dispersion (optics), Optoelectronics, business, Parametric statistics
Abstract

We demonstrate C-band subpicosecond wavelength conversion over > 100nm, exploiting four wave mixing in a high index doped silica waveguide spiral of 45cm, showing a +16.5dB net gain for a 40W peak pump power.

Published
2010
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