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Proceedings Paper

Electrically tunable chirped fiber Bragg gratings by a bulk distributed heater
Author(s): Zhihao Chen; Chao Lu; Junhong Ng; Tee Hiang Cheng
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Paper Abstract

We propose a new design for introducing a tunable chirp on a uniform fiber Bragg grating by a controllable temperature gradient. The device consists of an unchirped Bragg grating in a bare fiber that is mounted in a plastic sleeve whose surface is coiled with a length of wire heater. The desired temperature distribution produces a chirp on the grating and at a rate that can be adjusted by varying the current. We have demonstrated an electrically tunable chirped sampled fiber Bragg grating that enables a tuning range of chirp rate up to 0.4 nm/cm with an electrical power of 3.3 W.

Paper Details

Date Published: 20 April 2001
PDF: 3 pages
Proc. SPIE 4289, WDM and Photonic Switching Devices for Network Applications II, (20 April 2001); doi: 10.1117/12.424826
Show Author Affiliations
Zhihao Chen, Nanyang Technological Univ. (United States)
Chao Lu, Nanyang Technological Univ. (Singapore)
Junhong Ng, Nanyang Technological Univ. (Singapore)
Tee Hiang Cheng, Nanyang Technological Univ. (Singapore)

Published in SPIE Proceedings Vol. 4289:
WDM and Photonic Switching Devices for Network Applications II
Ray T. Chen; George F. Lipscomb, Editor(s)

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