activity
20242026
collaborators

6 papers

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

Vectorial Light in Fabry-Perot Resonators in the Normal Dispersion Regime

Graeme N. Campbell, Lewis Hill, Pascal Del Haye +1

The ranges of existence and stability of dark cavity-soliton stationary states in a Fabry-Perot resonator with a Kerr nonlinear medium, vectorial polarization components and normal…

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

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.optics2024

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…