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physics.optics2024★ 6 cited
Nonlinearity-induced Scattering Zero Degeneracies for Spectral Management of Coherent Perfect Absorption in Complex Systems
Cheng-Zhen Wang, John Guillamon, William Tuxbury +2
We develop a Coherent Perfect Absorption (CPA) protocol for cases where scale invariance is violated due to the presence of nonlinear mechanisms. We demonstrate, using a microwave…
physics.optics2023★ 5 cited
Bound states in the continuum induced via local symmetries in complex structures
Cheng-Zhen Wang, Ulrich Kuhl, Adin Dowling +2
Bound states in the continuum (BICs) defy conventional wisdom that assumes a spectral separation between propagating waves, that carry energy away, and spatially localized waves co…