Transmission Characteristics and Fano-Like Lineshape in Coupled-Slotted Microresonators

被引：4
|
作者：
Ding, Ming [1 ,2 ,3 ,4 ]
Qin, Haoye [1 ]
Yin, Yiheng [5 ]
机构：
[1] Beihang Univ, Sch Instrumentat & Optoelect Engn, Beijing 100191, Peoples R China
[2] Beihang Univ, Res Inst Frontier Sci, Beijing 100191, Peoples R China
[3] Beijing Acad Quantum Informat Sci, Beijing 100193, Peoples R China
[4] Beihang Univ, Beijing Adv Innovat Ctr Big Data Based Precis Med, Beijing 100191, Peoples R China
[5] Beihang Univ, Sch Microelect, Beijing 100191, Peoples R China
来源：
JOURNAL OF LIGHTWAVE TECHNOLOGY | 2020年 / 38卷 / 14期
基金：
中国国家自然科学基金;
关键词：
Microresonator; transmission spectrum; Fano-like lineshape; optimization; WHISPERING-GALLERY MODES; RESONATORS; RESONANCES;
D O I：
10.1109/JLT.2020.2980845
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The coupling mechanism of a system in which two identical microresonators with slot are coupled through a tapered fiber is theoretically investigated and its transmission rate is numerically calculated. Physical parameters are evaluated for their impacts on the transmission spectra. Fano-like lineshape is observed under certain condition (gamma(c) > 2 kappa) and optimization of dominant parameters (kappa(1)/kappa(0), kL, gamma(c)/kappa(0) and Q(0)) is applied to make the lineshape more steepened and sharper. This structure is promising for application in optical switch, sensing and research on Fano resonance.
引用
收藏
页码：3687 / 3693
页数：7
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