Bound states in the continuum in the multipole approximation

Sergey A. Gladyshev 1
, 
Artem Shalev 1
, 
Kristina Frizyuk 1
, 
Konstantin Ladutenko 1
, 
Andrey A Bogdanov 1
1
 
Publication type: Proceedings Article
Publication date: 2022-05-24
SPIE-Intl Soc Optical Eng
SJR: 0.146
CiteScore: 0.5
Impact factor: —
ISSN: 0277786X, 1996756X
Abstract
Here we develop a theory of bound states in the continuum (BICs) in multipolar lattices – periodic arrays of resonant multipoles. We show that off-Γ BIC can be pinned in the k-space in this multipole approximation. The developed approach set a direct relation between the topological charge of BIC and the asymptotic behavior of Q-factor of the radiative modes in its vicinity.

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Gladyshev S. A. et al. Bound states in the continuum in the multipole approximation // Proceedings of SPIE - The International Society for Optical Engineering. 2022. Vol. 12130.
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Gladyshev S. A., Shalev A., Frizyuk K., Ladutenko K., Bogdanov A. A. Bound states in the continuum in the multipole approximation // Proceedings of SPIE - The International Society for Optical Engineering. 2022. Vol. 12130.
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TY - CPAPER
DO - 10.1117/12.2621078
UR - https://doi.org/10.1117/12.2621078
TI - Bound states in the continuum in the multipole approximation
T2 - Proceedings of SPIE - The International Society for Optical Engineering
AU - Gladyshev, Sergey A.
AU - Shalev, Artem
AU - Frizyuk, Kristina
AU - Ladutenko, Konstantin
AU - Bogdanov, Andrey A
PY - 2022
DA - 2022/05/24
PB - SPIE-Intl Soc Optical Eng
VL - 12130
SN - 0277-786X
SN - 1996-756X
ER -
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@inproceedings{2022_Gladyshev,
author = {Sergey A. Gladyshev and Artem Shalev and Kristina Frizyuk and Konstantin Ladutenko and Andrey A Bogdanov},
title = {Bound states in the continuum in the multipole approximation},
year = {2022},
volume = {12130},
month = {may},
publisher = {SPIE-Intl Soc Optical Eng}
}