LAUSR

Chiral spectral singularities spawning from quasi-bound states in the continuum in PT-symmetric dielectric metasurfaces

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2 Published in 2023 at "Applied Physics Letters"

DOI: 10.1063/5.0145987

Abstract: We investigate the chiral spectral singularities, i.e., laser threshold modes, in PT-symmetric dielectric metasurfaces originating from quasi-bound states in the continuum. The poles, referred to as the quasi-bound states in the continuum, of scattering matrix… read more here.

Keywords: bound states; states continuum; symmetric dielectric; quasi bound ... See more keywords