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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 18 — Sep. 9, 2013
  • pp: 20800–20805

1.95 μm kHz-linewidth single-frequency fiber laser using self-developed heavily Tm3+-doped germanate glass fiber

Xin He, Shanhui Xu, Can Li, Changsheng Yang, Qi Yang, Shupei Mo, Dongdan Chen, and Zhongmin Yang  »View Author Affiliations


Optics Express, Vol. 21, Issue 18, pp. 20800-20805 (2013)
http://dx.doi.org/10.1364/OE.21.020800


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Abstract

We demonstrated a kHz-linewidth single-frequency laser at 1.95 μm using the self-developed heavily Tm3+-doped single-mode germanate glass fiber with the net gain coefficient of 2.3 dB per centimeter. The maximum output power of the stable single longitudinal mode continuous wave laser is over 200 mW. The slope efficiency measured versus the absorbed pump power is 34.8%, the signal-to-noise ratio is higher than 68 dB and laser linewidth is less than 7 kHz. A wavelength-tuning from 1949.55 to 1951.23 nm was also demonstrated based on changing the tension on the fiber Bragg grating outside the cavity.

© 2013 OSA

OCIS Codes
(060.2280) Fiber optics and optical communications : Fiber design and fabrication
(140.3510) Lasers and laser optics : Lasers, fiber
(140.3570) Lasers and laser optics : Lasers, single-mode

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: July 24, 2013
Revised Manuscript: August 18, 2013
Manuscript Accepted: August 20, 2013
Published: August 28, 2013

Citation
Xin He, Shanhui Xu, Can Li, Changsheng Yang, Qi Yang, Shupei Mo, Dongdan Chen, and Zhongmin Yang, "1.95 μm kHz-linewidth single-frequency fiber laser using self-developed heavily Tm3+-doped germanate glass fiber," Opt. Express 21, 20800-20805 (2013)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-21-18-20800


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