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Optical Engineering

Accurate analytical expression for the bandwidth of the reflection peak of a uniformly sampled fiber Bragg grating
Author(s): Kunhua Wen; Wei Pan; Lianshan Yan; Bin Luo; Xihua Zou; Shuiying Xiang
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Paper Abstract

An analytical expression for the bandwidth of the reflection peak of a uniformly sampled fiber Bragg grating is achieved for the first time by expanding the index modulation into Fourier orders. The equivalent ac index change and duty cycle here are the two critical factors in determining the accuracy. The expression also well explains the asymmetric distribution of the reflective spectrum. Simulation results based on the transfer-matrix method agree well with the calculations.

Paper Details

Date Published: 1 September 2008
PDF: 4 pages
Opt. Eng. 47(9) 094403 doi: 10.1117/1.2981485
Published in: Optical Engineering Volume 47, Issue 9
Show Author Affiliations
Kunhua Wen, Southwest Jiaotong Univ. (China)
Wei Pan, Southwest Jiaotong Univ. (China)
Lianshan Yan, Southwest Jiaotong Univ. (China)
Bin Luo, Southwest Jiaotong Univ. (China)
Xihua Zou, Southwest Jiaotong Univ. (China)
Shuiying Xiang, Southwest Jiaotong Univ. (China)


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