Polarization splitter using horizontal slot waveguide

被引：35

作者：

Zhang, Huijuan ^{[1
]}

Huang, Ying ^{[1
]}

Das, Suchandrima ^{[2
,3
]}

Li, Chao ^{[1
]}

Yu, Mingbin ^{[1
]}

Lo, Patrick Guo-Qiang ^{[1
]}

Hong, Minghui ^{[2
]}

Thong, John ^{[2
]}

机构：

[1] ASTAR, Inst Microelect, Singapore 117685, Singapore

[2] Natl Univ Singapore, Dept Elect & Comp Engn, Singapore 117583, Singapore

[3] Adv Micro Devices Singapore, Singapore 469032, Singapore

来源：

OPTICS EXPRESS | 2013年 / 21卷 / 03期

关键词：

SILICON PHOTONICS; CONFINING LIGHT; FABRICATION; DIVERSITY; RESONATOR; CIRCUIT; COUPLER; DEVICE; FILTER;

D O I：

10.1364/OE.21.003363

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this paper a compact and efficient polarization splitter using horizontal slotted waveguides is presented. The splitter is designed by finite-difference-time-domain simulation and realized experimentally. The splitter is built by using a direction coupler consisting of two horizontal slotted waveguides and achieves a high extinction ratio of 14.1 and 16.8 dB for cross and through ports. The optimal coupling length is found to be 15 mu m. The device exhibits a good response of extinction ratio across C + L broadband. The splitter obtained is readily used for a polarization diversity circuit, particularly for platforms with horizontal slot waveguides. (C) 2012 Optical Society of America

引用

页码：3363 / 3369

页数：7

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