Strong LP01and LP11mutual coupling conversion in a two-mode fiber Bragg grating

Chuang Wu; Zhengyong Liu; Kit Man Chung; Ming Leung Vincent Tse; Florence Y.M. Chan; Pak Tao Lau; Chao Lu; Hwa Yaw Tam

doi:10.1109/JPHOT.2012.2204735

Strong LP₀₁and LP₁₁mutual coupling conversion in a two-mode fiber Bragg grating

Chuang Wu, Zhengyong Liu, Kit Man Chung, Ming Leung Vincent Tse, Florence Y.M. Chan, Pak Tao Lau, Chao Lu, Hwa Yaw Tam

The Hong Kong Polytechnic University

Research output: Journal article publication › Journal article › Academic research › peer-review

46 Citations (Scopus)

Abstract

A fiber Bragg grating is inscribed in a two-mode fiber using a 193-nm excimer laser and a phase mask. Strong LP01and LP11mutual coupling as large as -22.5 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↔ LP11converter.

Original language	English
Article number	6217268
Pages (from-to)	1080-1086
Number of pages	7
Journal	IEEE Photonics Journal
Volume	4
Issue number	4
DOIs	https://doi.org/10.1109/JPHOT.2012.2204735
Publication status	Published - 9 Jul 2012

Keywords

Fiber Bragg grating
modal converter
two-mode fiber

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering

More information

10.1109/JPHOT.2012.2204735

Cite this

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AU - Lu, Chao

AU - Tam, Hwa Yaw

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