High-Q tunable Fano resonances in the curved waveguide resonator with mirrors with spatially variable reflectivity br

被引：0
|
作者：
Dyshlyuk, A. V. [1 ,2 ,3 ]
Vitrik, O. B. [1 ,2 ]
机构：
[1] RAS, IACP, FEB, Radio Str 5, Vladivostok 690041, Russia
[2] Far Eastern Fed Univ, Sukhanova Str 8, Vladivostok 690091, Russia
[3] Vladivostok State Univ Econ & Serv, Gogolya Str 41, Vladivostok 690014, Russia
来源：
COMPUTER OPTICS | 2023年 / 47卷 / 02期
基金：
俄罗斯基础研究基金会;
关键词：
Fano resonance; electromagnetically induced transparency; bent waveguide; whis-pering gallery mode; optical refractometry; BENT FIBEROPTIC FABRY; REFRACTIVE-INDEX;
D O I：
10.18287/2412-6179-CO-1183
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
High-Q Fano resonances are demonstrated, as well as effects similar to electromagnetically in-duced transparency arising in a curved Fabry-Perot waveguide resonator with variable-reflection mirrors. It is shown that these effects arise as a result of coupling the fundamental mode of the bent waveguide core with whispering gallery cladding modes. An influence of the main geomet-rical parameters of the resonator on the resonance features in its reflection and transmission spec-tra is studied. The results obtained can be used in the creation of new functional elements of pho-tonics based on curved waveguides, in particular, highly sensitive portable refractometers for bio- and chemosensory systems, as well as optical sensors of mechanical effects. Keywords: Fano resonance, electromagnetically induced transparency, bent waveguide, whis-pering gallery mode, optical refractometry
引用
收藏
页码：215 / +
页数：10
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