pectral characteristics of chirped fiber Bragg gratings in large-mode-area fibers

zhao baoyin; duan kailiang; zhao wei

Volume 23 Issue 07

Sep. 2012

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Article Navigation > High Power Laser and Particle Beams > 2011 > 23(07): 0-

shi jun, xiao sha-li, wang hong-jian, et al. Diagnosis of X-ray spectrum of Z-pinch plasma with mica curved crystal spectrometer[J]. High Power Laser and Particle Beams, 2008, 20.

Citation:

zhao baoyin, duan kailiang, zhao wei. pectral characteristics of chirped fiber Bragg gratings in large-mode-area fibers[J]. High Power Laser and Particle Beams, 2011, 23.

shi jun, xiao sha-li, wang hong-jian, et al. Diagnosis of X-ray spectrum of Z-pinch plasma with mica curved crystal spectrometer[J]. High Power Laser and Particle Beams, 2008, 20.

Citation:

zhao baoyin, duan kailiang, zhao wei. pectral characteristics of chirped fiber Bragg gratings in large-mode-area fibers[J]. High Power Laser and Particle Beams, 2011, 23.

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pectral characteristics of chirped fiber Bragg gratings in large-mode-area fibers

1.
State Key Laboratory of Transient Optics and Photonics,Xi’an Institute of Optics and Precision Mechanics,Chinese Academy of Sciences,Xi’an 710119,China;
2.
Graduate University of Chinese Academy of Sciences,Beijing 100049,China

Publish Date: 2011-07-21

Abstract

Abstract

A matrix method is extended to solve the multimode coupling differential equations, and thereby the spectral characteristics of the chirped Bragg gratings in large-mode-area fibers (LMA FBGs) are studied theoretically. Unlike those of Bragg gratings in single mode optical fibers (SM FBGs), the reflection spectra of chirped LMA FBGs contain self-coupling and co-coupling peaks of the existing modes. For the chirped LMA FBGs, the reflectivity decreases and the reflection peaks split. These splits can be improved on some degree by Gaussian apodization function.
- matrix method,
- chirped lma fbg,
- coupled mode theory,
- apodization function

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