Mode-selective switch on silica-based PLC platform

被引：6
作者：
Ding, Yingzhi [1 ]
Yin, Yuexin [1 ]
Guan, Binli [1 ]
Xu, Zhiyuan [1 ]
Yin, Xiaojie [2 ]
Wu, Yuanda [2 ]
Sun, Xiaoqiang [1 ]
Zhang, Daming [1 ]
机构：
[1] Jilin Univ, Coll Elect Sci & Engn, State Key Lab Integrated Optoelect, 2699 Qianjin St, Changchun 130012, Peoples R China
[2] Univ Chinese Acad Sci, Coll Mat Sci & Optoelect Technol, Beijing 100049, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2023年 / 546卷
关键词：
Mode switch; Silica based; Planar optical waveguide (PLC); Thermo-optic effect; WAVE-GUIDE; MULTIMODE INTERFERENCE; 2-MODE (DE)MULTIPLEXER; MULTIPLEXER; FABRICATION; EXCHANGE;
D O I：
10.1016/j.optcom.2023.129757
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Optical mode switch is a crucial component for the mode-division multiplexing (MDM) system. In this paper, we demonstrate a thermo-optical (TO) mode-selective switch on silica-based planar lightwave circuit (PLC) platform. The 2 x 1 thermo-optical (TO) mode-selective switch based on Mach-Zehnder interferometer consists of an adiabatic coupler and a symmetric Y-branch. The input optical mode E00 (E10) is converted to E10 (E00) mode while the light is coupled from different input ports by changing the working state of heater. With 2% index-contrast, a compact mode switch on silica-based PLC platform is fabricated. According to experimental results, the fabricated mode-selective switch shows an insertion loss lower than 5 dB and a mode extinction ratio higher than 24 dB for two modes at 1550 nm. The crosstalk is lower than -10.54 dB from 1500 nm to 1600 nm. The power consumption for two modes are 433.24 mW and 440.15 mW, respectively. The rise time and fall time of the switch are 560.9 & mu;s and 794.8 & mu;s.
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页数：7
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