Enhanced sensitivity of an all-dielectric refractive index sensor with an optical bound state in the continuum

Maksimov, Dmitrii N.; Gerasimov, Valery S.; Bogdanov, Andrey A.; Polyutov, Sergey P. // Physical Review A//

https://doi.org/10.1103/PhysRevA.105.033518

The sensitivity of a refractive index sensor based on an optical bound state in the continuum is considered. Applying Zel'dovich perturbation theory we derived an analytic expression for bulk sensitivity of an all-dielectric sensor utili...


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