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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 8 — Mar. 10, 2011
  • pp: 1164–1169

High-power all-fiber superfluorescent source with fused angle-polished side-pumping configuration

Qirong Xiao, Ping Yan, Yaping Wang, Jinping Hao, and Mali Gong  »View Author Affiliations

Applied Optics, Vol. 50, Issue 8, pp. 1164-1169 (2011)

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We report high-power operation of a broadband superfluorescent source with an all-fiber configuration. The superfluorescent source yields an amplified spontaneous emission (ASE) output of 43.2 and 25.1 W from both ends, respectively. The maximum combined ASE output is 68.3 W with a slope efficiency of 78.6%. The wavelength bandwidths (FWHM) of the counterpropagating and copropagating ASE output are 31.5 and 18.9 nm , respectively. The fused angle-polished side-pumping coupler is applied to set up the all-fiber configuration. Furthermore, the influence of reflectivity on the laser threshold of the ASE sources is studied theoretically. The experimental results agree with the theoretical analysis.

© 2011 Optical Society of America

OCIS Codes
(140.3510) Lasers and laser optics : Lasers, fiber
(140.3615) Lasers and laser optics : Lasers, ytterbium
(060.3510) Fiber optics and optical communications : Lasers, fiber

ToC Category:
Lasers and Laser Optics

Original Manuscript: November 18, 2010
Manuscript Accepted: January 5, 2011
Published: March 8, 2011

Qirong Xiao, Ping Yan, Yaping Wang, Jinping Hao, and Mali Gong, "High-power all-fiber superfluorescent source with fused angle-polished side-pumping configuration," Appl. Opt. 50, 1164-1169 (2011)

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