Éric Cassan
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View article: High-resolution broadband characterization of resonance dispersion in an optical microresonator
High-resolution broadband characterization of resonance dispersion in an optical microresonator Open
Accurate knowledge of the uneven free spectral range of an optical microresonator, which provides direct insight into group velocity dispersion, is essential for understanding and controlling Kerr frequency comb dynamics. In this work, we …
View article: On-chip supercontinuum generation: from recent advances to applications [Invited]
On-chip supercontinuum generation: from recent advances to applications [Invited] Open
Nonlinear frequency conversion is crucial for reaching new optical frequencies and creating light sources that are essential for research and industrial applications. Among the various strategies to generate a multispectral source, superco…
View article: Multi-dimensional frequency-bin entanglement-based quantum key distribution network
Multi-dimensional frequency-bin entanglement-based quantum key distribution network Open
Quantum networks enhance quantum communication schemes and link multiple users over large areas. Harnessing high dimensional quantum states - i.e. qu-d-its - allows for a denser transfer of information with increased robustness to noise co…
View article: Multilayer Integration Platform for Dense Optical Phased Arrays
Multilayer Integration Platform for Dense Optical Phased Arrays Open
International audience
View article: Polarization independent silicon micro antenna based on a subwavelength metamaterial
Polarization independent silicon micro antenna based on a subwavelength metamaterial Open
Optical antennas are key components of an optical phased array system, enabling light coupling between the chip and the free space. In such systems, surface gratings are commonly used as antenna elements, which however suffer from a strong…
View article: Integrated polarization beam splitters in the silicon nitride platform for 950 nm and 1300 nm wavelengths
Integrated polarization beam splitters in the silicon nitride platform for 950 nm and 1300 nm wavelengths Open
Photonic integration in a silicon nitride (SiN) platform enables low propagation losses and a wide transparency range, making it ideal for quantum applications. However, polarization control in SiN is challenging because of its low birefri…
View article: Enhancing stimulated Brillouin scattering in suspended silicon waveguides through subwavelength nanostructuration [Invited]
Enhancing stimulated Brillouin scattering in suspended silicon waveguides through subwavelength nanostructuration [Invited] Open
Brillouin optomechanics is playing a key role in the development of groundbreaking devices and novel functionalities in integrated silicon photonics, such as narrow linewidth filtering and lasers, tunable frequency, non-reciprocity, etc. M…
View article: Parallelization of frequency domain quantum gates: manipulation and distribution of frequency-entangled photon pairs generated by a 21 GHz silicon microresonator
Parallelization of frequency domain quantum gates: manipulation and distribution of frequency-entangled photon pairs generated by a 21 GHz silicon microresonator Open
International audience
View article: Generation of multiple user-defined dispersive waves in a silicon nitride waveguide
Generation of multiple user-defined dispersive waves in a silicon nitride waveguide Open
The quest for a wide and bright supercontinuum source has received significant attention, addressing pivotal challenges in ultra-fast spectroscopy, imaging, and frequency metrology. Among the diverse optical nonlinear mechanisms steering s…
View article: Polarization independent silicon grating antenna based on sub-wavelength metamaterials
Polarization independent silicon grating antenna based on sub-wavelength metamaterials Open
Optical antennas are key components of an optical phased array system, enabling light coupling between the chip and the free space. In such systems, surface gratings are commonly used as antenna elements, which however suffer from a strong…
View article: Optimized polarization insensitive grating antenna in the SOI platform
Optimized polarization insensitive grating antenna in the SOI platform Open
International audience
View article: Stimulated Forward Brillouin Scattering in Subwavelength Silicon Membranes
Stimulated Forward Brillouin Scattering in Subwavelength Silicon Membranes Open
Brillouin scattering enables efficient and coherent conversion between optical photons and gigahertz-frequency phonons. Integrated circuits that harness this nonlinear interaction have immense potential for signal processing, quantum trans…
View article: Spatial and Polarization Division Multiplexing Harnessing On‐Chip Optical Beam Forming
Spatial and Polarization Division Multiplexing Harnessing On‐Chip Optical Beam Forming Open
On‐chip spatial and polarization multiplexing has emerged as a powerful strategy to boost the data transmission capacity of integrated optical transceivers. State‐of‐the‐art multiplexers require accurate control of the relative phase or th…
View article: Dataset for Spatial and polarization division multiplexing harnessing on-chip optical beam forming
Dataset for Spatial and polarization division multiplexing harnessing on-chip optical beam forming Open
This dataset contains the raw data for the figures (Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. S1, Fig. S2 and Fig. S3) in the publication entitled "Spatial and polarization division multiplexing harnessing on-chip optical beam f…
View article: Dataset for Spatial and polarization division multiplexing harnessing on-chip optical beam forming
Dataset for Spatial and polarization division multiplexing harnessing on-chip optical beam forming Open
This dataset contains the raw data for the figures (Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. S1, Fig. S2 and Fig. S3) in the publication entitled "Spatial and polarization division multiplexing harnessing on-chip optical beam f…
View article: Dataset for Spatial and polarization division multiplexing harnessing on-chip optical beam forming
Dataset for Spatial and polarization division multiplexing harnessing on-chip optical beam forming Open
This dataset contains the raw data for the figures (Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. S1, Fig. S2 and Fig. S3) in the publication entitled "Spatial and polarization division multiplexing harnessing on-chip optical beam f…
View article: Subwavelength engineering of silicon photonics for nonlinear and optomechanical applications
Subwavelength engineering of silicon photonics for nonlinear and optomechanical applications Open
International audience
View article: 2x2 Ultra-Broadband Multimode Interference Coupler with Subwavelength Gratings Fabricated by Immersion Lithography
2x2 Ultra-Broadband Multimode Interference Coupler with Subwavelength Gratings Fabricated by Immersion Lithography Open
We demonstrate an ultra-broadband 2x2 multimode interference (MMI) coupler leveraging subwavelength grating (SWG) nanostructures fabricated by immersion lithography. Excess loss of $\lt2$ dB, power imbalance $\lt1.5$ dB and phase error $\l…
View article: Parallelization of frequency domain quantum gates: manipulation and distribution of frequency-entangled photon pairs generated by a 21 GHz silicon micro-resonator
Parallelization of frequency domain quantum gates: manipulation and distribution of frequency-entangled photon pairs generated by a 21 GHz silicon micro-resonator Open
Harnessing the frequency dimension in integrated photonics offers key advantages in terms of scalability, noise resilience, parallelization and compatibility with telecom multiplexing techniques. Integrated ring resonators have been used t…
View article: Supercontinuum generation in 800nm thick ultra-low loss silicon nitride waveguides
Supercontinuum generation in 800nm thick ultra-low loss silicon nitride waveguides Open
International audience
View article: Subwavelength metamaterial devices with optimization and machine learning
Subwavelength metamaterial devices with optimization and machine learning Open
International audience
View article: Optomechanical cavities in silicon-on-insulator
Optomechanical cavities in silicon-on-insulator Open
International audience
View article: Silicon photonic mode multiplexers based on subwavelength metamaterials and on-chip beamforming
Silicon photonic mode multiplexers based on subwavelength metamaterials and on-chip beamforming Open
Integration of photonic circuits on silicon offers a unique opportunity to address the scaling of inter- and intra-chip communications in an energy-efficient and cost-effective manner. Mode-division multiplexing (MDM) is deemed as one of t…
View article: Genetic optimization of Brillouin scattering gain in subwavelength-structured silicon membrane waveguides
Genetic optimization of Brillouin scattering gain in subwavelength-structured silicon membrane waveguides Open
View article: Hybrid integration of 2D materials for on-chip nonlinear photonics
Hybrid integration of 2D materials for on-chip nonlinear photonics Open
Interests surrounding the development of on-chip nonlinear optical devices have been consistently growing in the past decades due to the tremendous applications, such as quantum photonics, all-optical communications, optical computing, on-…
View article: Spatial and polarization division multiplexing harnessing on-chip optical beam forming
Spatial and polarization division multiplexing harnessing on-chip optical beam forming Open
On-chip spatial and polarization multiplexing have emerged as a powerful strategy to boost the bandwidth of integrated optical transceivers. State-of-the-art multiplexers require accurate control of the relative phase or the spatial distri…
View article: Broadband behavior of quadratic metalenses with a wide field of view
Broadband behavior of quadratic metalenses with a wide field of view Open
Metalenses are attracting a large interest for the implementation of complex optical functionalities in planar and compact devices. However, chromatic and off-axis aberrations remain standing challenges. Here, we experimentally investigate…
View article: TOMOGRAPHIE QUANTIQUE ET PROTOCOLE DE DISTRIBUTION RECONFIGURABLE MULTI-UTILISATEURS À BASE DE PORTES QUANTIQUES FR ÉQUENTIELLES
TOMOGRAPHIE QUANTIQUE ET PROTOCOLE DE DISTRIBUTION RECONFIGURABLE MULTI-UTILISATEURS À BASE DE PORTES QUANTIQUES FR ÉQUENTIELLES Open
International audience
View article: Silicon-germanium photodetectors for energy-aware chip-scale communications
Silicon-germanium photodetectors for energy-aware chip-scale communications Open
International audience
View article: Subwavelength engineering of silicon photonics for nonlinear applications
Subwavelength engineering of silicon photonics for nonlinear applications Open
International audience