Accurate analytical expression for the bandwidth of the reflection peak of a uniformly sampled fiber Bragg grating

Kunhua Wen; Wei Pan; Lianshan Yan; Bin Luo; Xihua Zou; Shuiying Xiang

doi:10.1117/1.2981485

1 September 2008 Accurate analytical expression for the bandwidth of the reflection peak of a uniformly sampled fiber Bragg grating

Kunhua Wen, Wei Pan, Lianshan Yan, Bin Luo, Xihua Zou, Shuiying Xiang

Author Affiliations +

Optical Engineering, Vol. 47, Issue 9, 094403 (September 2008). https://doi.org/10.1117/1.2981485

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.

©(2008) Society of Photo-Optical Instrumentation Engineers (SPIE)

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Kunhua Wen, Wei Pan, Lianshan Yan, Bin Luo, Xihua Zou, and Shuiying Xiang "Accurate analytical expression for the bandwidth of the reflection peak of a uniformly sampled fiber Bragg grating," Optical Engineering 47(9), 094403 (1 September 2008). https://doi.org/10.1117/1.2981485

Published: 1 September 2008

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