activity
20242026
most citedReal-time imaging of standing-wave patterns in microresonators

18 citations · 30 across the 11 of their papers we have counts for

collaborators

12 papers

physics.optics2026

From order to chaos in a chip-scale Kerr parametric oscillator

Luca O. Trinchão, Juan Diego Mazo-Vásquez, Miguel Nienstedt +13

Integrated photonics has enabled a wide class of chip-scale light sources and quantum technologies. Within this field, microresonator-based degenerate optical parametric oscillator…

physics.optics2026

Fourth-harmonic UV light generation in integrated silicon nitride microresonators

Alekhya Ghosh, Arghadeep Pal, Haochen Yan +6

Integrated silicon nitride (Si3N4) resonators have emerged as a leading platform for nonlinear photonics, yet generating light at wavelength in the ultraviolet (UV) has remained el…

physics.optics2026

Color symmetry breaking in a nonlinear optical microcavity

Luca O. Trinchão, Alekhya Ghosh, Arghadeep Pal +8

Spontaneous symmetry breaking leads to diverse phenomena across the natural sciences, from the Higgs mechanism in particle physics to superconductors and collective animal behavior…

physics.optics2025

Scattering Induced Mode Chirality in Ring Resonators

Haochen Yan, Xu Guo, Arghadeep Pal +15

Non-Hermitian physics can be used to break time reversal symmetry and is important for interactions in a wide range of systems, from active matter and neural networks to metamateri…

physics.optics2025

Visualization of nonlinear optics in a microresonator

Hao Zhang, Haochen Yan, Alekhya Ghosh +10

A precise understanding of nonlinear optical phenomena in whispering gallery mode (WGM) microresonators is crucial for developing next-generation integrated photonic devices. Appli…

physics.optics2025★ 2 cited

Inverse-Designed Silicon Nitride Nanophotonics

Toby Bi, Shuangyou Zhang, Egemen Bostan +12

Silicon nitride photonics has enabled integration of a variety of components for applications in linear and nonlinear optics, including telecommunications, optical clocks, astrocom…

physics.optics2025

Exceptional, but Separate: Precursors to Spontaneous Symmetry Breaking

Lewis Hill, Julius T. Gohsrich, Alekhya Ghosh +3

Spontaneous symmetry breaking (SSB) and exceptional points (EPs) are often assumed to be inherently linked. Here we investigate the intricate relationship between SSB and specific…

physics.optics2025

Hybrid Nonlinear Effects in Photonic Integrated Circuits

Arghadeep Pal, Alekhya Ghosh, Shuangyou Zhang +5

Nonlinear optics in photonic integrated circuits is usually limited to utilizing the nonlinearity of a single material. In this work, we demonstrate the use of hybrid optical nonli…

physics.optics2024★ 8 cited

Phase Symmetry Breaking of Counterpropagating Light in Microresonators for Switches and Logic Gates

Alekhya Ghosh, Arghadeep Pal, Shuangyou Zhang +3

The rapidly growing field of integrated photonics is enabling a large number of novel devices for optical data processing, neuromorphic computing and circuits for quantum photonics…

physics.optics2024★ 1 cited

Linear and Nonlinear Coupling of Light in Twin-Resonators with Kerr Nonlinearity

Arghadeep Pal, Alekhya Ghosh, Shuangyou Zhang +6

Nonlinear effects in microresonators are efficient building blocks for all-optical computing and telecom systems. With the latest advances in microfabrication, coupled microresonat…

physics.optics2024★ 1 cited

Controlled light distribution with coupled microresonator chains via Kerr symmetry breaking

Alekhya Ghosh, Arghadeep Pal, Lewis Hill +7

Within optical microresonators, the Kerr interaction of photons can lead to symmetry breaking of optical modes. In a ring resonator, this leads to the interesting effect that light…

physics.optics2024★ 18 cited

Real-time imaging of standing-wave patterns in microresonators

Haochen Yan, Alekhya Ghosh, Arghadeep Pal +9

Real-time characterization of microresonator dynamics is important for many applications. In particular it is critical for near-field sensing and understanding light-matter interac…