Semiconductor saturable absorber mirror passively Q-switched 2.97 μm fluoride fiber laser

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Abstract

A diode-cladding-pumped mid-infrared passively Q-switched Ho 3+-doped fluoride fiber laser using a reverse designed broad band semiconductor saturable mirror (SESAM) was demonstrated. Nonlinear reflectivity of the SESAM was measured using an in-house Yb3+-doped mode-locked fiber laser at 1062 nm. Stable pulse train was produced at a slope efficient of 12.1% with respect to the launched pump power. Maximum pulse energy of 6.65 μJ with a pulse width of 1.68 μs and signal to noise ratio (SNR) of ~50 dB was achieved at a repetition rate of 47.6 kHz and center wavelength of 2.971 μm. To the best of our knowledge, this is the first 3 μm region SESAM based Q-switched fiber laser with the highest average power and pulse energy, as well as the longest wavelength from mid-infrared passively Q-switched fluoride fiber lasers.

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  • Semiconductor saturable absorber mirror passively

    Rights statement: Jianfeng Li ; Hongyu Luo ; Yulian He ; Yong Liu ; Binbin Luo ; Zhongyuan Sun ; Lin Zhang and Sergei K. Turitsyn. "Semiconductor saturable absorber mirror passively Q-switched 2.97 µm fluoride fiber laser", Proc. SPIE 9135, Laser Sources and Applications II, 913504 (May 1, 2014). Copyright 2014 Society of Photo-Optical Instrumentation Engineers. 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 modification of the content of the paper are prohibited. DOI: http://dx.doi.org/10.1117/12.2053893

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Details

Publication date2014
Publication titleLaser sources and applications II
EditorsJacob I. Mackenzie, Helena JelÍnková, Takunori Taira, Marwan Abdou Ahmed
Place of PublicationBellingham, WA (US)
PublisherSPIE
Number of pages6
ISBN (Print)978-1-6284-1083-9
Original languageEnglish
EventLaser sources and applications II - Brussels, Belgium
Duration: 14 Apr 201417 Apr 2014

Publication series

NameSPIE proceedings
PublisherSPIE
Volume9135
ISSN (Print)0277-786X

Conference

ConferenceLaser sources and applications II
CountryBelgium
CityBrussels
Period14/04/1417/04/14

Bibliographic note

Jianfeng Li ; Hongyu Luo ; Yulian He ; Yong Liu ; Binbin Luo ; Zhongyuan Sun ; Lin Zhang and Sergei K. Turitsyn. "Semiconductor saturable absorber mirror passively Q-switched 2.97 μm fluoride fiber laser", Proc. SPIE 9135, Laser Sources and Applications II, 913504 (May 1, 2014). Copyright 2014 Society of Photo-Optical Instrumentation Engineers. 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 modification of the content of the paper are prohibited. DOI: http://dx.doi.org/10.1117/12.2053893

    Keywords

  • fluoride fiber laser, mid-infrared fiber laser, Q-switched fiber laser, semiconductor saturable mirror

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