Fano feature induced by a bound state in the continuum via resonant state expansion

Pavel S. Pankin*, Dmitrii N. Maksimov, Kuo Ping Chen, Ivan V. Timofeev

*Corresponding author for this work

研究成果: Article同行評審

2 引文 斯高帕斯(Scopus)

摘要

We consider light scattering by an anisotropic defect layer embedded into anisotropic photonic crystal in the spectral vicinity of an optical bound state in the continuum (BIC). Using a resonant state expansion method we derive an analytic solution for reflection and transmission amplitudes. The analytic solution is constructed via a perturbative approach with the BIC as the zeroth order approximation. The solution is found to describe the collapsing Fano feature in the spectral vicinity of the BIC. The findings are confirmed via comparison against direct numerical simulations with the Berreman transfer matrix method.

原文English
文章編號13691
期刊Scientific reports
10
發行號1
DOIs
出版狀態Published - 1 十二月 2020

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