Ultra-compact and broadband orthogonal coupler between strip and slot silicon waveguides

被引：0

作者：

Li, Fei ^{[1
]}

Hu, Xiaofeng ^{[1
]}

Wu, Jiayang ^{[1
]}

Zhou, Linjie ^{[1
]}

Su, Yikai ^{[1
]}

机构：

[1] Shanghai Jiao Tong Univ, State Key Lab Adv Opt Commun Syst & Networks, Dept Elect Engn, Shanghai 200240, Peoples R China

来源：

PASSIVE COMPONENTS AND FIBER-BASED DEVICES VIII | 2011年 / 8307卷

关键词：

orthogonal coupler; slot waveguide; strip waveguide; silicon photonics; TRANSFORMER;

D O I：

暂无

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：

We propose an ultra-compact and broadband orthogonal coupler between a strip waveguide and a slot waveguide. Numerical simulations show that a 700-nm wide (full width at half maximum) coupling spectrum can be theoretically achieved and a coupling efficiency as high as 73% around 1500-nm wavelength can be obtained. The coupling length is only about 475 nm which makes the coupler very compact. This configuration does not include a tapering section and has a high tolerance to the waveguide height, alleviating the stringent fabrication requirements.

引用

页数：6

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