On-chip high-order mode converter and a 10-channel simultaneous polarization- and mode-division-multiplexer

被引：0

作者：

Pan, Yujun ^{[1
]}

Bai, Xiuli ^{[1
]}

Chen, Hongchun ^{[1
]}

Xu, Xuefeng ^{[1
]}

Liu, Jing ^{[1
]}

机构：

[1] Nanjing Xiao Zhuang Univ, Sch Elect Engn, Nanjing 211171, Peoples R China

来源：

INTERNATIONAL CONFERENCE ON OPTOELECTRONIC AND MICROELECTRONIC TECHNOLOGY AND APPLICATION | 2020年 / 11617卷

关键词：

High-order mode; converter; polarization extinction ratio; insertion loss; multiplexer; WAVE-GUIDES; MULTI/DEMULTIPLEXER;

D O I：

10.1117/12.2585379

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 high-order mode converter and multiplexer based on silicon waveguide is designed. According to the principle of mode coupling, the conversion between high-order modes in different polarization states can be realized, including TM01 to TE11 mode conversion and TE01 to TM11 mode conversion. Using the FDTD method, we analyze in detail the influence of the waveguide width W on the mode refractive index N, as well as the influence of the waveguide width W, the gap G and the coupling length L between different waveguides on the polarization extinction ratio and insertion loss. The results show that the polarization extinction ratio of the designed mode converter is 23.17dB and 24.9dB, the loss is 0.27dB and 0.589dB, and the coupling length is 14 mu m and 9.7 mu m, respectively. Besides, we proposed a 10-channel simultaneous polarization and mode division multiplexing system by the cascade of 10 mode converters, which can further increase the communication capacity.

引用

页数：5