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

Tianxing Wang, Zhijun Yan, Chengbo Mou*, Kaiming Zhou, Lin Zhang

*Corresponding author for this work

Research output: Contribution to journalArticle

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.

Original languageEnglish
Pages (from-to)3583-3588
Number of pages6
JournalApplied Optics
Volume56
Issue number12
Early online date13 Mar 2017
DOIs
Publication statusPublished - 20 Apr 2017

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Erbium
polarization
erbium
laser
gratings
fibers
Fibers
Lasers
Polarization
lasers
Signal to noise ratio
signal to noise ratios
signal-to-noise ratio
Q switching
Fiber lasers
polarizers
pulses
monitoring
fiber lasers
energy

Bibliographical note

© 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.

Cite this

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title = "Stable nanosecond passively Q-switched all-fiber erbium-doped laser with a 45° tilted fiber grating",
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.",
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Stable nanosecond passively Q-switched all-fiber erbium-doped laser with a 45° tilted fiber grating. / Wang, Tianxing; Yan, Zhijun; Mou, Chengbo; Zhou, Kaiming; Zhang, Lin.

In: Applied Optics, Vol. 56, No. 12, 20.04.2017, p. 3583-3588.

Research output: Contribution to journalArticle

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AU - Yan, Zhijun

AU - Mou, Chengbo

AU - Zhou, Kaiming

AU - Zhang, Lin

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