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Switchable dual-wavelength passively Q-switched erbium-doped fiber ring laser using nonlinear polarization rotation technique

✍ Scribed by Jia-Rui Liu; Zhi-Chao Luo; Ai-Ping Luo; Hai-Sen Yin; Wen-Cheng Xu

Publisher
John Wiley and Sons
Year
2011
Tongue
English
Weight
652 KB
Volume
53
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

We experimentally demonstrate a switchable dual‐wavelength passively Q‐switched pulsed operation in an Erbium‐doped all‐fiber ring laser utilizing the nonlinear polarization rotation technique.At a low pump power of 25 mW, Q‐switched pulse train possessing a temporal repetition rate of 12.7 kHz as well as a pulse width of 8.4 μs is generated stably with dual wavelengths centered at 1569.92 nm and 1587.28 nm. In addition, the switching operation between the two wavelengths can be facilely implemented by carefully adjusting the polarization controllers. Self‐mode‐locking effect is also observed and discussed. © 2011 Wiley Periodicals, Inc. Microwave Opt Technol Lett 53:1000–1003, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.25930

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