Analysis of dynamic response characteristic of fiber Bragg grating
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State Key Laboratory on Fiber Optical Communication Networks and Advanced Optical Communication Systems, Shanghai JiaoTong University, Shanghai 200240, China
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Corresponding author:
SONG Ning, dr.nsong@gmail.com
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Received Date:
2007-09-03
Accepted Date:
2007-11-20
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Abstract
Because it is impossible to use the matrix method and Runge-Kutta method to acquire the dynamic response of fiber Bragg grating(FBG) when analyzing the reflection spectrum and time-delay characteristic of FBG,it is proposed to compute the dynamical response characteristic of FBG with respect to the input of continual wave(CW) and Gaussian pulse,by means of coordinate transformation combined with finite difference method.The acquired reflectivity under conditions of the input of CW keeps in accord with that acquired by the Runge-Kutta method,which proves the validity of this method.
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