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Optica Publishing Group
  • Asia Communications and Photonics Conference (ACPC) 2019
  • OSA Technical Digest (Optica Publishing Group, 2019),
  • paper M4A.316

PT-Symmetry of a Non-Hermitian Trimerized Optical Lattice

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We study a trimerized non-Hermitian lattice specially arranged in geometry to exhibiting comparable nearest-neighbor (NN) and next-nearest-neighbor (NNN) couplings. We analyze novel PT-symmetric features by focusing on the asymmetric energy spectra and edge states.

© 2019 The Author(s)

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