Compact efficient broadband grating coupler for silicon-on-insulator waveguides

被引：548

作者：

Taillaert, D ^{[1
]}

Bienstman, P ^{[1
]}

Baets, R ^{[1
]}

机构：

[1] Univ Ghent, Interuniv Microelect Ctr, Dept Informat Technol, B-9000 Ghent, Belgium

来源：

OPTICS LETTERS | 2004年 / 29卷 / 23期

关键词：

D O I：

10.1364/OL.29.002749

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We have designed a high-efficiency broadband grating coupler for coupling between silicon-on-insulator (SOI) waveguides and optical fibers. The grating is only 13 mum long and 12 mum wide, and the size of the grooves is optimized numerically. For TE polarization the coupling loss to single-mode fiber is below 1 dB over a 35-nm wavelength range when using SOI with a two-pair bottom reflector. The tolerances to fabrication errors are also calculated. (C) 2004 Optical Society of America.

引用

页码：2749 / 2751

页数：3

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