Compact focusing grating couplers for silicon-on-insulator integrated circuits

被引：199

作者：

Van Laere, Frederik ^{[1
]}

Claes, Tom ^{[1
]}

Schrauwen, Jonathan ^{[1
]}

Scheerlinck, Stijn ^{[1
]}

Bogaerts, Wim ^{[1
]}

Taillaert, Dirk ^{[1
]}

O'Faolain, Liam ^{[2
]}

Van Thourhout, Dries ^{[1
]}

Baets, Roel ^{[1
]}

机构：

[1] Univ Ghent, IMEC, Dept Informat Technol, B-9000 Ghent, Belgium

[2] Univ St Andrews, Sch Phys & Astron, St Andrews KY16 9SS, Fife, Scotland

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2007年 / 19卷 / 21-24期

关键词：

focusing grating coupler; gold; integrated optics; metal; nanophotonic waveguides; silicon-on-insulator (SOI);

D O I：

10.1109/LPT.2007.908762

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 report experimental results on compact and broadband focusing grating couplers, both in silicon-on-insulator (SOI) and gold on SOL An eight-fold length reduction of the coupling structure from fiber to photonic wire in SOI, as compared to a linear grating and adiabatic taper, is obtained, without performance penalty. A proof of principle is given for a focusing grating coupler in gold on SOI, with 20% fiber-to-focus efficiency.

引用

页码：1919 / 1921

页数：3

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