Strong LP01 and LP11 Mutual Coupling Conversion in a Two-Mode Fiber Bragg Grating

被引：37
|
作者：
Wu, Chuang [1 ]
Liu, Zhengyong [1 ]
Chung, Kit Man [1 ]
Tse, Ming-Leung Vincent [1 ]
Chan, Florence Y. M. [1 ]
Lau, Alan Pak Tao [1 ]
Lu, Chao [2 ]
Tam, Haw-Yaw [1 ]
机构：
[1] Hong Kong Polytech Univ, Dept Elect Engn, Photon Res Ctr, Kowloon, Hong Kong, Peoples R China
[2] Hong Kong Polytech Univ, Dept Elect & Informat Engn, Photon Res Ctr, Kowloon, Hong Kong, Peoples R China
来源：
IEEE PHOTONICS JOURNAL | 2012年 / 4卷 / 04期
关键词：
Fiber Bragg grating; two-mode fiber; modal converter; FEW-MODE FIBER; OPTICAL-FIBER; BIREFRINGENCE; TRANSMISSION;
D O I：
10.1109/JPHOT.2012.2204735
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 fiber Bragg grating is inscribed in a two-mode fiber using a 193-nm excimer laser and a phase mask. Strong LP01 and LP11 mutual coupling as large as -2.5 dB, which corresponds to a modal conversion efficiency of more than 99%, is experimentally achieved. The intermodal coupling mechanism is theoretically analyzed through a finite element method. This device can be used as a low-cost reflective LP01 <-> LP11 converter.
引用
收藏
页码：1080 / 1086
页数：7
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