Optics letters
Universal appearance tendency of modes at the finite periodic PT-symmetric structure.
Jihoon Choi, Young Ki Hong, Heeso Noh
Published: 202610.1364/OL.581991
Abstract
We investigate the emergence of specific modes in finite periodic (FP) parity-time (PT) symmetric photonic structures using the transfer matrix (T-matrix) formalism. Three distinct resonant states are identified-the coherent perfect absorber-laser (M…
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