Compact polarization-independent quasi-adiabatic 2x2 3 dB coupler on silicon

被引：11
|
作者：
Chung, Hung-Ching [1 ]
Chen, Chih-Hsien [2 ]
Hung, Yung-, Jr. [2 ]
Tseng, Shuo-Yen [1 ]
机构：
[1] Natl Cheng Kung Univ, Dept Photon, 1 Univ Rd, Tainan 701, Taiwan
[2] Natl Sun Yat Sen Univ, Dept Photon, 70 Lien Hai Rd, Kaohsiung 804, Taiwan
来源：
OPTICS EXPRESS | 2022年 / 30卷 / 02期
关键词：
BROAD-BAND; POWER; WAVELENGTH;
D O I：
10.1364/OE.446492
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate a quasi-adiabatic polarization-independent 2x2 3 dB coupler based on the silicon-on-insulator platform. Using a quasi-adiabatic taper design for the mode evolution/coupling region, the TE mode evolution is accelerated, and the TM mode coupling is achieved at a short coupling length. The measured working bandwidth is 75 nm with a compact mode evolution/coupling region of 11.7 mu m. (C) 2022 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement
引用
收藏
页码：995 / 1002
页数：8
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