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physics.optics2025
Probing the Topological Anderson Transition in Quasiperiodic Photonic Lattices via Chiral Displacement and Wavelength Tuning
Abhinav Sinha, Trideb Shit, Avinash Tetarwal +2
The interplay of topology and disorder in quantum dynamics has recently attracted significant attention across diverse platforms, including solid-state devices, ultracold atoms, an…
physics.optics2025
Nonlinearity-induced Band Gap Transmission in Dispersive and Flat Band Photonic Lattices
Avinash Tetarwal, Shailja Sharma, Sebabrata Mukherjee
Nonlinear interactions in photonic non-dispersive (flat) bands remain largely unexplored, despite their potential to yield exotic phenomena. Here, we demonstrate nonlinearity-induc…