Flat-band light dynamics in Stub photonic lattices
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Real, Bastián
Cantillano, Camilo
López-González, Dany
Szameit, Alexander
Aono, Masashi
Naruse, Makoto
Kim, Song-Ju
Wang, Kai
Vicencio, Rodrigo A
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Nature Publishing Group
Abstract
We experimentally study a Stub photonic lattice and excite their localized linear states originated from an isolated Flat Band at the center of the linear spectrum. By exciting these modes in different regions of the lattice, we observe that they do not diffract across the system and remain well trapped after propagating along the crystal. By using their wave nature, we are able to combine - in phase and out of phase - two neighbor states into a coherent superposition. These observations allow us to propose a novel setup for performing three different all-optical logical operations such as OR, AND, and XOR, positioning Flat Band systems as key setups to perform all-optical operations at any level of power.
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Scientific Reports
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Open Access
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