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Floquet Perfect Absorbers based on Periodically Driven Targets

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posted on 2023-11-30, 06:06 authored by Dashiell Halpern, Suwun Suwunnarat, Huanan Li, Boris Shapiro, Tsampikos Kottos
We introduce the concept of multichannel Floquet Perfect Absorbers (FPAs) which are periodically modulated lossy interferometric traps that completely absorb incident monochromatic waves. The proposed FPA protocols utilize a Floquet engineering approach which inflicts a variety of emerging phenomena and features: reconfigurability of perfect absorption (PA) for a broad range of frequencies of the incident wave; PA for infinitesimal local losses, and PA via critical coupling with high-Q modes by inducing back-reflection dynamical mirrors.

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