Hybrid Tamm and quasi-BIC microcavity modes

The microcavity in the form of a liquid crystal defect layer embedded in a one-dimensional photonic crystal is considered. The microcavity mode has a tunable radiation decay rate in the vicinity of a bound state in the continuum. It is demonstrated that coupling between the microcavity mode and a Ta...

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Bibliographic Details
Published in:arXiv.org 2023-06
Main Authors: Buzin, D S, Pankin, P S, Maksimov, D N, Romanenko, G A, Sutormin, V S, Nabol, S V, Zelenov, F V, Masyugin, A N, Volochaev, M N, S Ya Vetrov, Timofeev, I V
Format: Article
Language:English
Subjects:
Coupled modes
Crystal defects
Decay rate
Hybrid modes
Liquid crystals
Photonic crystals
Polaritons
Online Access:Get full text
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Summary:The microcavity in the form of a liquid crystal defect layer embedded in a one-dimensional photonic crystal is considered. The microcavity mode has a tunable radiation decay rate in the vicinity of a bound state in the continuum. It is demonstrated that coupling between the microcavity mode and a Tamm plasmon polariton results in hybrid Tamm-microcavity modes with a tunable Q factor. The measured spectral features of hybrid modes are explained in the framework of the temporal coupled mode theory.
ISSN:2331-8422