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Strong Mode Coupling and High-Q Supercavity Modes in Subwavelength Dielectric Resonators

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Koshelev, Kirill
Bogdanov, A. A.
Gladyshev, Sergey
Sadrieva, Zarina
Rybin, Mikhail
Samusev, Kirill
Limonov, Mikhail F.
Kivshar, Yuri

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Optical Society of American (OSA)

Abstract

We reveal that isolated subwavelength dielectric resonators support states with giant Q-factors similar to bound states in the continuum formed via destructive interference between strongly coupled eigenmodes and characterized by singularities of the Fano parameters.

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2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings

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2040-01-01