Chinese Optics Letters, 2011, 9 (1): 010601, Published Online: Jan. 7, 2011  

Characteristics of light polarization in magneto-optic fiber Bragg gratings with linear birefringence Download: 563次

Author Affiliations
Key Lab of Broadband Optical Fiber Transmission and Communication Networks of the Ministry of Education, University of Electronic Science and Technology of China, Chengdu 610054, China
Abstract
The coupling between guided optical waves in magneto-optic fiber Bragg gratings (MFBGs) with linear birefringence is investigated using the eigen-mode and coupled-mode approaches. The relationship between the polarization-dependent loss (PDL) and the eigen states of polarization (SOPs) in the MFBGs is discussed. Only the MFBGs with low linear birefringence are applied to the peak PDL-based magnetic field measurement, after which the linear dynamic range is determined using the relative magnitude of linear and magnetically induced circular birefringence. In this letter, a theoretical model is presented to explain the experimental results and help develop novel MFBG-based devices.

Baojian Wu, Chongzhen Li, Kun Qiu, Liwei Cheng. Characteristics of light polarization in magneto-optic fiber Bragg gratings with linear birefringence[J]. Chinese Optics Letters, 2011, 9(1): 010601.

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