Stable nanosecond passively Q-switched all-fiber erbium-doped laser with a 45° tilted fiber grating

Wang, Tianxing, Yan, Zhijun, Mou, Chengbo, Zhou, Kaiming and Zhang, Lin (2017). Stable nanosecond passively Q-switched all-fiber erbium-doped laser with a 45° tilted fiber grating. Applied Optics, 56 (12), pp. 3583-3588.

Abstract

Nanosecond passive Q-switching generation from an all-fiber erbium-doped laser with a UV inscribed 45° tilted fiber grating (TFG) is systematically demonstrated. The 45° TFG is employed as a polarizer together with two polarization controllers (PCs) to realize nonlinear polarization rotation (NPR). Because of the NPR effect, stable Q-switched pulses with an average output power of 17.5 mW, a single pulse energy of 72.7 nJ, a repetition rate of 241 kHz, a pulse width of 466 ns, and a signal to noise ratio (SNR) of 58.8 dB are obtained with 600 mW pump power. To the best of our knowledge, the SNR is the highest among all-fiber passively Q-switched erbium-doped laser. The stability of this erbium-doped fiber laser (EDFL) is also examined by monitoring the laser consecutively for 5 h under laboratory conditions.

Publication DOI: https://doi.org/10.1364/AO.56.003583
Divisions: Engineering & Applied Sciences > Electrical, electronic & power engineering
Engineering & Applied Sciences > Institute of Photonics
Additional Information: © 2017 Optical Society of America. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modifications of the content of this paper are prohibited.
Uncontrolled Keywords: Atomic and Molecular Physics, and Optics
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Related URLs: http://www.scopus.com/inward/record.url?scp=85017700830&partnerID=8YFLogxK (Scopus URL)
Published Date: 2017-04-20
Authors: Wang, Tianxing
Yan, Zhijun
Mou, Chengbo
Zhou, Kaiming ( 0000-0002-6011-1912)
Zhang, Lin ( 0000-0002-1691-5577)

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