Compact and fabrication-tolerant polarization splitter based on horizontal triple-slot waveguide

被引：10
|
作者：
Jiang, Weifeng [1 ,2 ]
Sun, Xiaohan [1 ]
Rahman, B. M. Azizur [2 ]
机构：
[1] Southeast Univ, Natl Res Ctr Opt Sensing Commun Integrated Networ, Nanjing 210096, Jiangsu, Peoples R China
[2] City Univ London, Dept Elect & Elect Engn, Northampton Sq, London EC1V OHB, England
来源：
APPLIED OPTICS | 2017年 / 56卷 / 08期
关键词：
ASYMMETRICAL DIRECTIONAL COUPLER; PHOTONIC INTEGRATED-CIRCUITS; SILICON PHOTONICS; MU-M; DESIGN; LIGHT; ROTATOR;
D O I：
10.1364/AO.56.002119
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A compact and fabrication-tolerant polarization beam splitter (PBS) based on the horizontal triple-slot wave-guides is proposed and optimized by using the rigorous H-field-based full-vectorial finite element method and the least-squares boundary residual method. It can be noted from the simulation results that a fabrication-tolerant PBS with a compact length of 33 mu m can be yielded based on the horizontal triple-slot waveguides. The polarization extinction ratios are -21.8 and -20.3 dB at 1.55 mu m wavelength for the quasi-TE and quasi-TM modes, respectively. The 1 dB bandwidth is 100 nm for both the polarizations. The fabrication tolerances are also thoroughly calculated for the proposed PBS. (C) 2017 Optical Society of America
引用
收藏
页码：2119 / 2126
页数：8
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