Systematic Engineering of Waveguide-Resonator Coupling for Silicon Microring/Microdisk/Racetrack Resonators: Theory and Experiment

被引：57

作者：

Soltani, Mohammad ^{[1
]}

Yegnanarayanan, Siva ^{[1
]}

Li, Qing ^{[1
]}

Adibi, Ali ^{[1
]}

机构：

[1] Georgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30332 USA

来源：

IEEE JOURNAL OF QUANTUM ELECTRONICS | 2010年 / 46卷 / 08期

关键词：

Coupled mode analysis; dielectric waveguides; microresonators; optical resonators; optical waveguide filters; MICRORING RESONATORS; COMPACT; RING; FILTERS; DESIGN; POWER;

D O I：

10.1109/JQE.2010.2044633

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：

Asystematic engineering of waveguide-resonator coupling for optimum phase matching and field-overlap is proposed to achieve critical coupling and strong over-critical coupling for microring, micro racetrack and microdisk resonators on silicon-on-insulator (SOI) platform. The impact of the waveguide-resonator dimensions, their spacing and interaction length on the strength of the coupling are investigated. We show that by optimization of the dimension of the waveguide-resonator structure, the coupling strength can be engineered to be insensitive to fabrication errors. Based on our optimization techniques, critical coupling to low Q resonators (Q similar to 10(4)) as well as ultra-high Q resonators (Q similar to 3.1 x 10(6)) is experimentally demonstrated.

引用

页码：1158 / 1169

页数：12

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