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Optical Biosensor in a One-Dimensional Photonic Structure with Bound States in the Continuum

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Abstract

In this paper, we present the main results of the numerical calculation of the bound states in the continuum (BICs) application in the refractive index (RI) sensing. We consider two types of one-dimensional rectangular photonic structure at subwavelength regime and study the Fano resonance shift for off-Γ BIC. The results obtained will make it possible to create photonic structures for biosensing, for which a high-Q resonance is observed at nonzero incidence angles.

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Funding

This work was supported by the Russian Science Foundation, grant no. 21-72-30018 and by Priority 2030 Federal Academic Leadership Program.

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Authors and Affiliations

  1. ITMO University, 197101, St. Petersburg, Russia

    Ravshanjon Nazarov &  Zarina Sadrieva

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  1. Ravshanjon Nazarov
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  2. Zarina Sadrieva
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Correspondence to Ravshanjon Nazarov.

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Ravshanjon Nazarov, Zarina Sadrieva Optical Biosensor in a One-Dimensional Photonic Structure with Bound States in the Continuum. Opt. Mem. Neural Networks 32 (Suppl 1), S97–S101 (2023). https://doi.org/10.3103/S1060992X23050156

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  • DOI: https://doi.org/10.3103/S1060992X23050156

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