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Switchable dual-wavelength erbium-doped fiber-ring lasers using a fiber Bragg grating in high-birefringence fiber

✍ Scribed by Chun-Liu Zhao; Xiufeng Yang; Jun Hong Ng; Xinyong Dong; Xin Guo; Xiaoyan Wang; Xiaoqun Zhou; Chao Lu

Publisher
John Wiley and Sons
Year
2004
Tongue
English
Weight
71 KB
Volume
41
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

A simple switchable dual‐wavelength Er‐doped fiber‐ring laser using a fiber Bragg grating (FBG) written in high‐birefringence (HiBi) fibers is proposed. Due to the two‐peak reflections with orthogonal polarizations of the FBG, the polarization hole‐burning effect in the cavity is greatly enhanced. Experimental results show that a stable dual‐wavelength laser with very close wavelength separation (0.39 nm) can be generated at room temperature. Furthermore, the FBG in the HiBi fiber offers flexibility for selection of the laser wavelength. By adjusting a polarization controller, the laser can be switched between the stable single‐ or dual‐wavelength lasing operations. © 2004 Wiley Periodicals, Inc. Microwave Opt Technol Lett 41: 73–75, 2004; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20051

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