A polarization-insensitive 1310/1550-nm demultiplexer based on sandwiched multimode interference waveguides

被引：29
作者：
Shi, Yaocheng [1 ,2 ,3 ,4 ]
Arland, Srinivasan [4 ]
He, Sailing [1 ,2 ,3 ,4 ]
机构：
[1] Zhejiang Univ, Ctr Opt & Electromagnet Res, State Key Lab Modern Opt Instrumentat, Zhejiang, Peoples R China
[2] Royal Inst Technol, Joint Res Ctr Photon, Stockholm, Sweden
[3] Zhejiang Univ, Hangzhou 310058, Peoples R China
[4] Royal Inst Technol, Dept Microelect & Appl Phys, S-16440 Kista, Sweden
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2007年 / 19卷 / 21-24期
基金：
中国国家自然科学基金;
关键词：
demultiplexer; multimode interference (MMI); polarization independent; sandwiched waveguide;
D O I：
10.1109/LPT.2007.906836
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：
A polarization-insensitive dual-wavelength demultiplexer based on sandwiched multimode interference waveguides is presented. Polarization-insensitive multimode waveguides are achieved first by choosing a suitable refractive index of the SiNx middle region. The demultiplxing function is then realized by adjusting the width and length of the multimode region. Simulation results obtained from three-dimensional beam-propagation method show that the demultiplexer can work at 1310- and 1550-nm bands for both polarizations simultaneously with a low insertion loss and a broad bandwidth.
引用
收藏
页码：1789 / 1791
页数：3
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