Investigation for all polarization conversions of the guided-modes in a bending waveguide

被引：1
|
作者：
Shi, Yunjie [1 ,2 ]
Shang, Hongpeng [1 ,2 ]
Sun, DeGui [1 ,2 ,3 ]
机构：
[1] Changchun Univ Sci & Technol, Sch Sci, 7089 Weixing Rd, Changchun 130022, Jilin, Peoples R China
[2] Changchun Univ Sci & Technol, Sch Photoelect Engn, 7089 Weixing Rd, Changchun 130022, Jilin, Peoples R China
[3] Univ Ottawa, Ctr Res Photon, Ottawa, ON K1N 6N5, Canada
来源：
OPTICS COMMUNICATIONS | 2018年 / 410卷
关键词：
Transverse-transverse polarization conversion; Transverse-longitudinal polarization conversion; TE-mode to TM-mode conversion; Bending waveguide;
D O I：
10.1016/j.optcom.2017.09.040
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this work, a new solution to the partial differential Maxwell equations is first derived to investigate all polarization conversions of the transverse and the longitudinal components of guided-modes in a bending waveguide. Then, for the silica-waveguides, the polarization conversion efficiencies are numerical calculated and a significant finding is that the transverse-longitudinal polarization conversion efficiency is much higher than that of transverse-transverse polarization conversion. Furthermore, the dependences of all the conversion efficiencies on waveguide parameters are found. The agreeable results between the numerical calculation and the finite difference time-domain (FDTD) simulation show that for two 100 mu m long bending waveguides of 0.75 and 1.50% index contrasts, the amplitude conversion efficiencies from similar to 10(-3) to similar to 10(-2) can be realized for the transverse-transverse polarization components and that of similar to 10(-1) can be realized for the transverse-longitudinal polarization components. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：211 / 214
页数：4
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