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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 16 — Jul. 30, 2012
  • pp: 18097–18116

Coherent femtosecond pulse combining of multiple parallel chirped pulse fiber amplifiers

Leo A. Siiman, Wei-zung Chang, Tong Zhou, and Almantas Galvanauskas  »View Author Affiliations


Optics Express, Vol. 20, Issue 16, pp. 18097-18116 (2012)
http://dx.doi.org/10.1364/OE.20.018097


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Abstract

We report on femtosecond pulse combining with up to four parallel chirped-pulse fiber amplifier channels. Active phase locking is implemented using the LOCSET (Locking of Optical Coherence by Single-detector Electronic-frequency Tagging) single detector feedback technique, resulting in 96.4%, 94.0%, and 93.9% relative combining efficiency with two, three, and four channels respectively. Theoretical and experimental analysis of combining efficiency dependence on amplitude and phase noise shows convergence to a fixed value with increasing number of channels, indicating that multi-channel pulse combining with LOCSET feedback should be scalable to very large numbers of channels.

© 2012 OSA

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(140.7090) Lasers and laser optics : Ultrafast lasers
(140.3298) Lasers and laser optics : Laser beam combining

ToC Category:
Optical Devices

History
Original Manuscript: May 31, 2012
Revised Manuscript: July 13, 2012
Manuscript Accepted: July 16, 2012
Published: July 23, 2012

Citation
Leo A. Siiman, Wei-zung Chang, Tong Zhou, and Almantas Galvanauskas, "Coherent femtosecond pulse combining of multiple parallel chirped pulse fiber amplifiers," Opt. Express 20, 18097-18116 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-16-18097


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