Study on inverse taper based mode transformer for low loss coupling between silicon wire waveguide and lensed fiber

被引：52

作者：

Ren, Guanghui ^{[1
]}

Chen, Shaowu ^{[1
]}

Cheng, Yongpeng ^{[1
]}

Zhai, Yao ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Semicond, State Key Lab Optoelect, Beijing 100083, Peoples R China

来源：

OPTICS COMMUNICATIONS | 2011年 / 284卷 / 19期

基金：

中国国家自然科学基金;

关键词：

Integrated optics; Inverse taper; BPM; Mode transformer; GRATING COUPLERS; OPTICAL-FIBERS; CIRCUITS; EFFICIENT;

D O I：

10.1016/j.optcom.2011.05.072

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We have simulated the coupling loss of three types of Inverse Taper and taper-lensed fiber using three dimensional (3D) semi-vectorial beam propagation methods (BPM) respectively. Our results showed that the performances of exponential inverse taper and quadratic inverse taper were better than the commonly used linear inverse taper. Especially. for TM mode the improvement in the reduction of devices size is 53% and 136% for exponential and quadratic inverse taper compared with the linear inverse taper. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：4782 / 4788

页数：7

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