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5 March 2022 Vertically nonsymmetric BIC resonators
Weronika Glowadzka, Michal Wasiak, Tomasz Czyszanowski
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Proceedings Volume PC12010, Photonic and Phononic Properties of Engineered Nanostructures XII; PC120100J (2022) https://doi.org/10.1117/12.2608623
Event: SPIE OPTO, 2022, San Francisco, California, United States
Abstract
To date, Bound States in the Continuum (BICs) with infinite quality (Q) factor have been observed in vertically symmetric photonic crystal slabs (PCS) sandwiched from top and bottom by low refractive index material. Such configurations are problematic in real life realization. Thus, we present numerical analysis of vertically nonsymmetric PCS, that exhibits BICs when specific conditions are met. We demonstrate that ~10% refractive index contrast between PCS and substrate enables BICs, which is achievable by all-semiconductor configurations. We also present Q-factor analysis of finite size semiconductor-based electrically driven devices exploiting BICs and configurations integrated with metals.
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Weronika Glowadzka, Michal Wasiak, and Tomasz Czyszanowski "Vertically nonsymmetric BIC resonators", Proc. SPIE PC12010, Photonic and Phononic Properties of Engineered Nanostructures XII, PC120100J (5 March 2022); https://doi.org/10.1117/12.2608623
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KEYWORDS
Refractive index
Resonators
Semiconductors
Metals
Numerical analysis
Photonic crystals
Polaritons
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