Design of an ultra-broadband silicon mode (de)multiplexer

被引：2
|
作者：
Chen, Weiwei [1 ]
Wang, Pengjun [1 ]
Zhang, Yawei [1 ]
Yang, Jianyi [2 ,3 ]
机构：
[1] Ningbo Univ, Fac Elect Engn & Comp Sci, Ningbo 315211, Zhejiang, Peoples R China
[2] Zhejiang Univ, Dept Informat Sci & Elect Engn, Hangzhou 310027, Zhejiang, Peoples R China
[3] Zhejiang Univ, Cyrus Tang Ctr Sensor Mat & Applicat, Hangzhou 310027, Zhejiang, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2016年 / 363卷
基金：
中国国家自然科学基金;
关键词：
Integrated Optics; Waveguide; Multiplexing; ENABLING SIMULTANEOUS MODE; INTERFERENCE WAVE-GUIDES; ASYMMETRIC Y-JUNCTIONS; NETWORKS-ON-CHIP; PHASE-SHIFTER; MULTIPLEXER; COUPLERS; MULTI/DEMULTIPLEXER; DEMULTIPLEXER; HYBRID;
D O I：
10.1016/j.optcom.2015.10.066
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We propose a low-crosstalk and broadband mode (de)multiplexer. It is designed by cascading mode (de) interleavers utilizing silicon waveguide asymmetric Y-junctions. Asymmetric Y-junctions of each stage are modular. For each asymmetric Y-junction, the even (odd) modes of the stem separated from the odd (even) modes evolve into the low-order modes of the wide (narrow) arm by controlling the widths of the two arms, and vice versa. A four-channel mode (de)multiplexer for TE polarization is analyzed as an example. Simulations show the four-channel mode (de)multiplexer pair has a low crosstalk (< -14.1 dB) over a common spectral bandwidth of 280 nm. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：7 / 12
页数：6
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