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20162026
most citedOptical pump-rejection filter based on silicon sub-wavelength engineered photonic structures

52 citations · 157 across the 27 of their papers we have counts for

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physics.optics2026

Fully passive monolithic silicon quantum photonic circuit for entangled photon-pair generation

David E. Medina, Paul J. Robin, Romain Dalidet +8

Integrated quantum photonic circuits are a key enabling technology for the scalability of quantum information systems. Among the available platforms, silicon photonics offers an un…

physics.optics2026

Topological photonic cavities based on dissimilar Bragg gratings

Alejandro Sánchez-Sánchez, José Manuel Luque-González, Gauthier Krizman +12

Topological photonic cavities offer a powerful route to robust optical confinement and enhanced light-matter interactions. Interface states that emerge at the boundary between one-…

physics.optics2026

Boundary-dominated optomechanics in silicon metamaterial membranes

David González-Andrade, Paula Nuño Ruano, Jianhao Zhang +10

Stimulated Brillouin scattering in integrated photonic waveguides enables coherent coupling between optical photons and gigahertz acoustic phonons, providing a powerful mechanism f…

physics.optics2025

High-resolution broadband characterization of resonance dispersion in an optical microresonator

Romain Dalidet, Adrien Bensemhoun, Gregory Sauder +12

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…

physics.optics2025

Dispersion engineered AlGaAs-on-insulator nanophotonics by distributed feedback

Francesco Rinaldo Talenti, Luca Lovisolo, Zijun Xiao +9

Technological advances in the fabrication of nanophotonic circuits have driven the scientific community to increasingly focus on the precise tailoring of their key optical properti…

physics.optics2025★ 1 cited

On-chip pulse generation at 8 μm wavelength

Annabelle Bricout, Mathieu Bertrand, Philipp Täschler +15

The mid-infrared spectral region holds growing importance for applications such as gas sensing and spectroscopy. Although compact ultrashort pulse laser sources are essential to en…

physics.optics2025

Germanium-Based Mid-Infrared Photonics

Delphine Marris-Morini, Goran Z. Mashanovich, Milos Nedeljkovic +4

The mid-infrared (mid-IR) spectral range is a part of the electromagnetic spectrum in which most of the molecules have vibrational and rotational resonances. Ge-based photonic inte…

physics.optics2024★ 10 cited

Broadband mode exchanger based on subwavelength Y-junctions

Raquel Fernández de Cabo, Alejandro Sánchez-Sánchez, Yijun Yang +4

Multimode silicon photonics, leveraging mode-division multiplexing technologies, offers significant potential to increase capacity of large-scale multiprocessing systems for on-chi…

physics.optics2024

Tunable on-chip electro-optic frequency-comb generation at 8 μm wavelength

Victor Turpaud, Thi-Hao-Nhi Nguyen, Natnicha Koompai +9

Dual-comb spectroscopy is a powerful technique to measure optical spectra in a wide spectral range with high-frequency resolution. The development of compact systems operating in t…

physics.optics2024

Stimulated Forward Brillouin Scattering in Subwavelength Silicon Membranes

Paula Nuño Ruano, Jianhao Zhang, David González-Andrade +6

Brillouin scattering enables efficient and coherent conversion between optical photons and gigahertz-frequency phonons. Integrated circuits that harness this nonlinear interaction…

physics.optics2023★ 10 cited

Genetic optimization of Brillouin scattering gain in subwavelength-structured silicon membrane waveguides

Paula Nuño Ruano, Jianhao Zhang, Xavier Le Roux +6

On-chip Brillouin optomechanics has great potential for applications in communications, sensing, and quantum technologies. Tight confinement of near-infrared photons and gigahertz…

physics.optics2022★ 1 cited

Spatial and polarization division multiplexing harnessing on-chip optical beam forming

David González-Andrade, Xavier Le Roux, Guy Aubin +10

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 a…

physics.optics2022★ 20 cited

Broadband behavior of quadratic metalenses with a wide field of view

Yang Liu, Jianhao Zhang, Xavier Le Roux +5

Metalenses are attracting a large interest for the implementation of complex optical functionalities in planar and compact devices. However, chromatic and off-axis aberrations rema…

physics.optics2022★ 1 cited

Surface acoustic wave lasing in a silicon optomechanical cavity

J. Zhang, P. Nuño-Ruano, X. Le Roux +6

Integrated optomechanical cavities stand as a promising means to interface mechanical motion and guided optical modes. State-of-the-art demonstrations rely on optical and mechanica…

physics.optics2022★ 3 cited

Dispersive wave control enabled by silicon metamaterial waveguides

T. T. D. Dinh, X. Le Roux, M. Montesinos-Ballester +11

The ability to exploit the on-chip nonlinear generation of new frequencies has opened the door to a plethora of applications in fundamental and applied physics. Excitation of dispe…

physics.optics2021

Mid-infrared Fourier-transform spectrometer based on metamaterial lateral cladding suspended silicon waveguides

Thi Thuy Duong Dinh, Xavier Le Roux, Natnicha Koompai +9

Integrated mid-infrared micro-spectrometers have a great potential for applications in environmental monitoring and space exploration. Silicon-on-insulator (SOI) is a promising pla…

physics.optics2021

Universal coupler for bulk whispering gallery mode resonators based on silicon subwavelength grating waveguides

D. Farnesi, S. Pelli, S. Soria +6

Optical microresonators are of paramount importance in photonic circuits requiring fine spectral filtering or resonant light recirculation. Key performance metrics improve with inc…

physics.optics2021★ 2 cited

Boosting the SiN nonlinear photonic platform with transition metal dichalcogenide monolayers

Vincent Pelgrin, Yuchen Wang, Jonathan Peltier +4

In the past few years, we have witnessed an increased interest in the use of 2D materials for the realization of hybrid photonic nonlinear waveguides. Although graphene has attract…

physics.optics2021★ 1 cited

Generating 10-GHz phonons in nanostructured silicon membrane optomechanical cavity

Jianhao Zhang, Xavier Le Roux, Miguel Montesinos-Ballester +6

Flexible control of photons and phonons in silicon nanophotonic waveguides is a key feature for emerging applications in communications, sensing and quantum technologies. Strong ph…

physics.optics2021★ 2 cited

Silicon-on-insulator optomechanical microresonator with tight photon and phonon confinement

Jianhao Zhang, Xavier Le Roux, Miguel Montesinos-Ballester +5

The implementation of optomechanical devices in silicon-on-insulator (SOI), the canonical silicon photonics technology is seriously hampered by the strong phonon leakage into the s…

physics.optics2019

Optical modulation in Ge-rich SiGe waveguides in the mid-IR wavelength range up to 11 um

Miguel Montesinos-Ballester, Vladyslav Vakarin, Joan Manel Ramirez +11

Waveguide integrated optical modulators in the mid-infrared (mid-IR) wavelength range are of significant interest for molecular spectroscopy in one hand, as on-chip synchronous det…

physics.optics2019

Trimming and ultra-wide bandwidth expansion of silicon frequency comb spectra with self-adaptive boundary waveguides

Jianhao Zhang, Vincent Pelgrin, Carlos Alonso-Ramos +3

Dispersion engineering is among the most important steps towards a promising optical frequency comb. We propose a new and general approach to trim frequency combs using a self-adap…

physics.optics2019★ 1 cited

Self-adaptive waveguide boundary for wideband multi-mode four-wave mixing

Jianhao Zhang, Carlos Alonso-Ramos, Laurent Vivien +2

We propose a new approach to provide wideband multi-mode four-wave mixing, independent of the intrinsic waveguide dispersion. We adopt concepts from quantum mechanics and sub-wavel…

physics.optics2018

Generating Fano Resonances in a single-waveguide nanobeam cavity for efficient electro-optical modulation

Jianhao Zhang, Xavier Le Roux, Elena Ruran-Valdeiglesias +5

We propose a method for generating Fano resonance in a standalone silicon nanobeam cavity which eliminates the inconvenience from the unexpected side-coupled bus waveguide and unlo…