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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 12 — Jun. 8, 2009
  • pp: 10050–10055

Ultra-short distributed Bragg reflector fiber laser for sensing applications

Yang Zhang, Bai-Ou Guan, and Hwa-Yaw Tam  »View Author Affiliations

Optics Express, Vol. 17, Issue 12, pp. 10050-10055 (2009)

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We present an ultra-short distributed Bragg reflector fiber laser written in Er/Yb co-doped fiber. The entire laser is only 8.4 mm in length. The lasing threshold is less than 1 mW. The optical signal-to-noise ratio of the laser output is better than 70 dB. The laser emits two orthogonal polarization modes and generates a beat signal with signal-to-noise ratio of ~70 dB and 3-dB linewidth of ~3 kHz. The laser has longitude mode spacing comparable to the grating bandwidth. This obviates the possibility of mode hopping when the laser is subjected to any external perturbations.

© 2009 OSA

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(140.3570) Lasers and laser optics : Lasers, single-mode
(060.3735) Fiber optics and optical communications : Fiber Bragg gratings
(060.3510) Fiber optics and optical communications : Lasers, fiber

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: May 4, 2009
Revised Manuscript: May 27, 2009
Manuscript Accepted: May 27, 2009
Published: June 1, 2009

Yang Zhang, Bai-Ou Guan, and Hwa-Yaw Tam, "Ultra-short distributed Bragg reflector fiber laser for sensing applications," Opt. Express 17, 10050-10055 (2009)

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