Sylvain Combrié
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View article: Mode-locking in a semiconductor photonic bandgap laser
Mode-locking in a semiconductor photonic bandgap laser Open
View article: High efficiency second harmonic generation in transverse orientation patterned gallium phosphide waveguides
High efficiency second harmonic generation in transverse orientation patterned gallium phosphide waveguides Open
Achieving high conversion efficiencies in second-order nonlinear optical processes is a key challenge in integrated photonics for both classical and quantum applications. This paper presents what we believe is the first demonstration of tr…
View article: High efficiency second harmonic generation in transverse orientation patterned gallium phosphide waveguides
High efficiency second harmonic generation in transverse orientation patterned gallium phosphide waveguides Open
Achieving high conversion efficiencies in second-order nonlinear optical processes is a key challenge in integrated photonics for both classical and quantum applications. This paper presents the first demonstration of Transverse Orientatio…
View article: Linear and Nonlinear Characterization of Vertical Orientation-Patterned Gallium Phosphide Waveguides for Second Harmonic Generation
Linear and Nonlinear Characterization of Vertical Orientation-Patterned Gallium Phosphide Waveguides for Second Harmonic Generation Open
This paper presents the first realization, linear and nonlinear characterization of a vertically oriented gallium phosphide (VOP-GaP) waveguide dedicated to second harmonic generation. The design, fabrication steps and characterization met…
View article: Optomechanical Gigahertz Oscillator made of a Two Photon Absorption free piezoelectric III/V semiconductor
Optomechanical Gigahertz Oscillator made of a Two Photon Absorption free piezoelectric III/V semiconductor Open
Oscillators in the GHz frequency range are key building blocks for telecommunication, timing and positioning applications. Operating directly in the GHz and compactness while keeping high frequency stability, is still an up-to-date challen…
View article: High‐Speed Optoelectronic Graphene Sampler at 1.55 µm Reaching Intrinsic Performances
High‐Speed Optoelectronic Graphene Sampler at 1.55 µm Reaching Intrinsic Performances Open
Optoelectronic sampling is the ultimate method to perform ultra‐high frequency analog‐to‐digital conversion. Thanks to the ps photo‐thermo‐bolometric effect in high mobility hexagonal boron nitride (h‐BN) encapsulated graphene, a state‐of‐…
View article: Génération de seconde harmonique dans un guide d’onde en phosphure de gallium à orientation structurée aux longueurs d’onde télécom
Génération de seconde harmonique dans un guide d’onde en phosphure de gallium à orientation structurée aux longueurs d’onde télécom Open
International audience
View article: Mid-infrared integrated silicon–germanium ring resonator with high Q-factor
Mid-infrared integrated silicon–germanium ring resonator with high Q-factor Open
We report the realization of a silicon–germanium on silicon ring resonator with high Q-factor at mid-infrared wavelengths. The fabricated ring exhibits a loaded Q-factor of 236 000 at the operating wavelength of 4.18 µm. Considering the co…
View article: Sub-Hz Closed-Loop Electro-Optomechanical Oscillator with Gallium Phosphide Photonic Crystal Integrated on SoI Circuitry
Sub-Hz Closed-Loop Electro-Optomechanical Oscillator with Gallium Phosphide Photonic Crystal Integrated on SoI Circuitry Open
We report on a new approach of a low phase noise electro-optomechanical oscillator directly working in the GHz frequency range. The developed nanoscale oscillator is a one-dimensional photonic crystal made of gallium phosphide (GaP), heter…
View article: Ultra-efficient generation of time-energy entangled photon pairs in an InGaP photonic crystal cavity
Ultra-efficient generation of time-energy entangled photon pairs in an InGaP photonic crystal cavity Open
The typical approaches to generate heralded single photons rely on parametric processes, with the advantage of generating highly entangled states at the price of a random pair emission. To overcome this limit, degenerate spontaneous Four-W…
View article: Orientation-patterned gallium phosphide for integrated nonlinear photonics
Orientation-patterned gallium phosphide for integrated nonlinear photonics Open
Gallium phosphide has long held promise for integrated nonlinear photonics, owing to its high non-linear figure of merit, broad transparency and compatibility with silicon. The recent development of orientation patterning in gallium phosph…
View article: Time-correlated photons from an <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi>In</mml:mi><mml:mrow><mml:mn>0.5</mml:mn></mml:mrow></mml:msub><mml:msub><mml:mi>Ga</mml:mi><mml:mrow><mml:mn>0.5</mml:mn></mml:mrow></mml:msub><mml:mi mathvariant="normal">P</mml:mi></mml:mrow></mml:math> photonic crystal cavity on a silicon chip
Time-correlated photons from an photonic crystal cavity on a silicon chip Open
International audience
View article: Ultra-efficient generation of time-energy entangled photon pairs in a InGaP Photonic Crystal Cavity
Ultra-efficient generation of time-energy entangled photon pairs in a InGaP Photonic Crystal Cavity Open
Time-energy entangled photon pairs and heralded single photons are generated in a 25 μm-long, In0.5Ga0.5P Photonic Crystal cavity via degenerate Spontaneous Four-Wave-Mixing with a very large efficiency (16 GHz/mW
View article: Canonical Four-Wave-Mixing in Photonic Crystal Resonators: tuning, tolerances and scaling
Canonical Four-Wave-Mixing in Photonic Crystal Resonators: tuning, tolerances and scaling Open
Canonical Four-Wave-Mixing occurs in a resonator with only the required number of modes, thereby inhibiting competing parametric processes. The properties of the recently introduced photonic crystal parametric oscillator, Marty et al. Nat.…
View article: Mode Mapping Photonic Crystal Nanocavities with <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline" overflow="scroll"><mml:mi>Q</mml:mi><mml:mo>></mml:mo><mml:mn>5</mml:mn><mml:mo>×</mml:mo><mml:msup><mml:mn>10</mml:mn><mml:mn>5</mml:mn></mml:msup></mml:math> Using Free-Carrier Absorption
Mode Mapping Photonic Crystal Nanocavities with Using Free-Carrier Absorption Open
We demonstrate a nonlinear photomodulation spectroscopy method to image the mode profile of a high-Q photonic crystal resonator (PhCR). This far-field imaging method is suitable for ultrahigh-Q cavities which we demonstrate on a Q=619000 P…
View article: Continuous-Wave Second-Harmonic Generation in Orientation-Patterned Gallium Phosphide Waveguides at Telecom Wavelengths
Continuous-Wave Second-Harmonic Generation in Orientation-Patterned Gallium Phosphide Waveguides at Telecom Wavelengths Open
A new process to produce orientation-patterned\ngallium phosphide\n(OP-GaP) on GaAs with almost perfectly parallel domain boundaries\nis presented. Taking advantage of the chemical selectivity between\nphosphides and arsenides, OP-GaP is p…
View article: Fast dispersion tailoring of multimode photonic crystal resonators
Fast dispersion tailoring of multimode photonic crystal resonators Open
We introduce a numerical procedure which permits to drastically accelerate\nthe design of multimode photonic crystal resonators. Specifically, we\ndemonstrate that the optical response of an important class of such nanoscale\nstructures is…
View article: Continuous-Wave Second-Harmonic Generation in Orientation-Patterned Gallium Phosphide Waveguides at Telecom Wavelengths
Continuous-Wave Second-Harmonic Generation in Orientation-Patterned Gallium Phosphide Waveguides at Telecom Wavelengths Open
A new process to produce orientation-patterned gallium phosphide (OP-GaP) on GaAs with almost perfectly parallel domain boundaries is presented. Taking advantage of the chemical selectivity between phosphides and arsenides, OP-GaP is proce…
View article: Noise investigation of CW and mode-locked harmonic cavity nanolasers
Noise investigation of CW and mode-locked harmonic cavity nanolasers Open
We theoretically investigate the noise properties of harmonic cavity nanolasers by introducing a model of coupled equations of evolution of the modes, taking spontaneous emission into account. This model is used to predict the noise among …
View article: Continuous-Wave Second-Harmonic Generation in Orientation-Patterned GaP Waveguides at Telecom Wavelengths
Continuous-Wave Second-Harmonic Generation in Orientation-Patterned GaP Waveguides at Telecom Wavelengths Open
A new process to produce Orientation-Patterned Gallium Phosphide (OP-GaP) on GaAs with almost perfectly parallel domain boundaries is presented. Taking advantage of the chemical selectivity between phosphides and arsenides, OP-GaP is proce…
View article: Mode mapping Q > 500 000 photonic crystal nanocavities using free carrier absorption
Mode mapping Q > 500 000 photonic crystal nanocavities using free carrier absorption Open
We demonstrate a nonlinear photomodulation spectroscopy method to image the mode profile of a high-Q photonic crystal resonator (PhCR). This far-field imaging method is suitable for ultrahigh-Q cavities which we demonstrate on a Q = 619000…
View article: Time-correlated Photons from a In$_{0.5}$Ga$_{0.5}$P Photonic Crystal Cavity on a Silicon Chip
Time-correlated Photons from a In$_{0.5}$Ga$_{0.5}$P Photonic Crystal Cavity on a Silicon Chip Open
Time-correlated photon pairs are generated by triply-resonant Four-Wave-Mixing in a In$_{0.5}$Ga$_{0.5}$P Photonic Crystal cavitiy. Maximal efficiency is reached by actively compensating the residual spectral misalignment of the cavity mod…
View article: Robustness of mode-locking in harmonic cavity nanolasers subjected to potential distortions
Robustness of mode-locking in harmonic cavity nanolasers subjected to potential distortions Open
We theoretically analyze the robustness to potential distortion of mode-locking in a harmonic cavity nanolaser sustaining oscillation of Hermite-Gaussian modes. Different types of imperfections of the harmonic potential that create the Her…
View article: Dynamics of mode-locked nanolasers based on Hermite-Gaussian modes
Dynamics of mode-locked nanolasers based on Hermite-Gaussian modes Open
The different dynamical behaviors of the Hermite-Gaussian (HG) modes of\nmode-locked nanolasers based on a harmonic photonic cavity are investigated in\ndetail using a model based on a modified Gross-Pitaevskii Equation. Such\nnanolasers a…
View article: Second-harmonic generation enabled by longitudinal electric-field components in photonic wire waveguides
Second-harmonic generation enabled by longitudinal electric-field components in photonic wire waveguides Open
We investigate type I second harmonic generation in III-V semiconductor wire\nwaveguides aligned with a crystallographic axis. In this direction, because of\nthe single nonzero tensor element of III-V semiconductors, only frequency\nconver…
View article: Long Working Distance Apodized Grating Coupler
Long Working Distance Apodized Grating Coupler Open
We design a focusing grating coupler by a simultaneous apodization of the filling factor and the period. In addition to in plane focusing to the input waveguide providing a total length of less than 70μm, a further apodization of the curva…
View article: Mode Locking of the Hermite-Gaussian Modes of a Nanolaser
Mode Locking of the Hermite-Gaussian Modes of a Nanolaser Open
Mode locking is predicted in a nanolaser cavity forming an effective photonic harmonic potential. The cavity is substantially more compact than a Fabry-Perot resonator with a comparable pulsing period, which is here controlled by the poten…
View article: Hybrid InGaP nanobeam on silicon photonics for efficient four wave mixing
Hybrid InGaP nanobeam on silicon photonics for efficient four wave mixing Open
We report the design, fabrication, and characterization of a photonic crystal microresonator exhibiting a constant free spectral range. More than 50 resonances with Q > 2 × 105 are observed in a 200 μm long and 650 nm wide III–V semiconduc…
View article: Optomechanical gigahertz oscillator made of a two photon absorption free piezoelectric III/V semiconductor
Optomechanical gigahertz oscillator made of a two photon absorption free piezoelectric III/V semiconductor Open
Oscillators in the gigahertz frequency range are key building blocks for telecommunication and positioning applications. Operating directly in the gigahertz while keeping high frequency stability and compactness is still an up-to-date chal…
View article: III–V/Silicon Hybrid Non-linear Nanophotonics in the Context of On-Chip Optical Signal Processing and Analog Computing
III–V/Silicon Hybrid Non-linear Nanophotonics in the Context of On-Chip Optical Signal Processing and Analog Computing Open
We discuss the application of silicon hybrid photonic integration technology for all-optical signal processing. The core is a photonic crystal nanocavity made of a III–V semiconductor alloy. This ensures ultra-fast and energy-efficient all…