Lossless edge states protected by PT-symmetric phase
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Ni, Xiang
Smirnova, Daria A.
Poddubny, Alexander
Leykam, Daniel
Chong, Yidong
Khanikaev, A.
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The Optical Society
Abstract
Parity-time (PT) symmetric interfaces between amplifying and lossy crystals support dissipationless edge states exhibiting gapless spectra in complex band structure if exceptional points (EPs) of edge states exist, which is verified by rigorous full-wave simulations in PT-symmetric photonic graphene.
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Optics InfoBase Conference Papers
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2037-12-31
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