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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 6 — Mar. 15, 2013
  • pp: 854–856

Passive coherent beam combining of four Yb-doped fiber amplifier chains with injection-locked seed source

Yifeng Yang, Man Hu, Bing He, Jun Zhou, Houkang Liu, Shoujun Dai, Yunrong Wei, and Qihong Lou  »View Author Affiliations


Optics Letters, Vol. 38, Issue 6, pp. 854-856 (2013)
http://dx.doi.org/10.1364/OL.38.000854


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Abstract

An injection-locked fiber laser is introduced to the passive fiber laser coherent beam combination with all-optical feedback loop. A coherent beam combining system with two-dimensional four Yb-doped fiber amplifier chains is established, and the injection-locked fiber laser works as a switchable seed source. The 1064 nm output laser of the injection-locked fiber laser is extinguished automatically as the feedback injection power is high enough, and the injection-locked fiber laser acts as an amplifier for the feedback laser with 7.4 dB gains. We find that the phase-locked far-field interference pattern of our system with seed laser extinguished is stable, and the visibility is up to 91.5%, which is slightly higher than the prevalent method with auxiliary seed laser (88.2%).

© 2013 Optical Society of America

OCIS Codes
(140.3520) Lasers and laser optics : Lasers, injection-locked
(140.3298) Lasers and laser optics : Laser beam combining

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: November 13, 2012
Revised Manuscript: December 30, 2012
Manuscript Accepted: February 7, 2013
Published: March 11, 2013

Citation
Yifeng Yang, Man Hu, Bing He, Jun Zhou, Houkang Liu, Shoujun Dai, Yunrong Wei, and Qihong Lou, "Passive coherent beam combining of four Yb-doped fiber amplifier chains with injection-locked seed source," Opt. Lett. 38, 854-856 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-6-854

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