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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 36, Iss. 14 — Jul. 15, 2011
  • pp: 2605–2607

Amplifying nanosecond optical pulses at 1053 nm with an all-fiber regenerative amplifier

R. Xin and J. D. Zuegel  »View Author Affiliations


Optics Letters, Vol. 36, Issue 14, pp. 2605-2607 (2011)
http://dx.doi.org/10.1364/OL.36.002605


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Abstract

Nanosecond, 1053 nm optical pulses are amplified from 15 pJ to 240 nJ by a Yb-doped all-fiber regenerative amplifier (AFRA), achieving an overall gain of 42 dB . To the best of our knowledge, this is the highest output-pulse energy from an AFRA ever reported. Techniques for suppressing amplified spontaneous emission are employed to favor the signal gain 23 nm off the gain peak of the Yb-doped fiber. Numerical simulations show that increasing the number of round trips and operating the AFRA at saturation will increase the output level and improve the output stability. This is currently limited by the onset of bifurcation instability, which can be avoided at low repetition rates.

© 2011 Optical Society of America

OCIS Codes
(000.4430) General : Numerical approximation and analysis
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(140.3538) Lasers and laser optics : Lasers, pulsed

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: April 12, 2011
Revised Manuscript: June 10, 2011
Manuscript Accepted: June 14, 2011
Published: July 6, 2011

Citation
R. Xin and J. D. Zuegel, "Amplifying nanosecond optical pulses at 1053 nm with an all-fiber regenerative amplifier," Opt. Lett. 36, 2605-2607 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-14-2605


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