$Quasi-bound state in the continuum supported by a compound grating waveguide structure for high-figure-of-merit refractive-index sensing$

Quasi-bound state in the continuum supported by a compound grating waveguide structure for high-figure-of-merit refractive-index sensing

Herein, we realize quasi-bound states in the continuum (quasi-BICs) in a compound grating waveguide structure with a complex lattice. The first layer of the structure is a grating layer composed of two dielectric ridges with different heights and the same width, while the second layer of the structu...

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Veröffentlicht in:	Journal of applied physics 2022-11, Vol.132 (19)
Hauptverfasser:	Wu, Feng, Qin, Meibao, Xiao, Shuyuan
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied physics Dielectric waveguides Dielectrics Figure of merit Lattice vibration Polaritons Ridges Sensitivity Surface waves
Online-Zugang:	Volltext
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