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Optical Engineering

Spectrally broadband Bragg grating mirror for an erbium-doped fiber laser
Author(s): Andreas Othonos; Xavier Lee; Din Ping Tsai
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Paper Abstract

The authors design and demonstrate a high-reflector broadband Bragg mirror for a fiber laser system. A T-matrix formalism was used to design a broadband intracore mirror consisting of a series of Bragg gratings. Ultraviolet light from a KrF excimer laser was used in an interferometric setup to inscribe these Bragg gratings in a photosensitive fiber. This resulted in a broadband Bragg mirror covering a wavelength range of approximately 3.5 nm. An all-Bragg grating, erbium-doped fiber laser cavity is demonstrated using this Bragg mirror as the high reflector and a single narrowband Bragg grating centered at 1550 nm as the output coupler. Tunability of the fiber laser was achieved over the range of the high reflector using strain-induced changes on the output coupler.

Paper Details

Date Published: 1 April 1996
PDF: 5 pages
Opt. Eng. 35(4) doi: 10.1117/1.600725
Published in: Optical Engineering Volume 35, Issue 4
Show Author Affiliations
Andreas Othonos, Univ. of Toronto (Cyprus)
Xavier Lee, QPS Technology Inc (Canada)
Din Ping Tsai, National Chung Cheng Univ. (Taiwan)

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