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Optical Engineering

Tunable chirping of a fiber Bragg grating without center wavelength shift using a simply supported beam
Author(s): Yunqi Liu; Jianping Yao; Xinyong Dong; Jian Yang
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Paper Abstract

The authors propose a novel technique to produce adjustable chirped gratings that allows spectral width tuning without center wavelength shift. The chirp rate can be precisely tuned by bending a uniform fiber Bragg grating (FBG) surface-mounted on one side of a simply supported beam. A maximum chirp tuning with a spectral width of 18.30 nm on a uniform FBG is obtained experimentally. Compared to the existing chirp tuning techniques, the proposed technique provides larger tuning range and smaller center wavelength shift.

Paper Details

Date Published: 1 April 2002
PDF: 2 pages
Opt. Eng. 41(4) doi: 10.1117/1.1461834
Published in: Optical Engineering Volume 41, Issue 4
Show Author Affiliations
Yunqi Liu, Nanyang Technological Univ. (Singapore)
Jianping Yao, Nanyang Technological Univ. (Canada)
Xinyong Dong, Nankai Univ. (China)
Jian Yang, Nanjing Univ. of Science and Technology (China)


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