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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 6 — Mar. 15, 2014
  • pp: 1517–1520

Coherent combining of femtosecond pulses parametrically amplified in BBO crystals

S. N. Bagayev, V. E. Leshchenko, V. I. Trunov, E. V. Pestryakov, and S. A. Frolov  »View Author Affiliations


Optics Letters, Vol. 39, Issue 6, pp. 1517-1520 (2014)
http://dx.doi.org/10.1364/OL.39.001517


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Abstract

We report on the first experimental realization of coherent combining of parametrically amplified femtosecond pulses. The proposed and implemented two-loop active stabilization system allows us to achieve 110 as relative timing jitter between combined pulses, which is necessary for efficient coherent beam combining. In each channel of the two-channel laser setup, pulses were parametrically amplified in β-BaB2O4 (BBO) crystals to 50 μJ energy, compressed to 49 fs duration, and then coherently combined with efficiency as high as 97%. Currently, it is the shortest duration of amplified pulses for which coherent combining is demonstrated.

© 2014 Optical Society of America

OCIS Codes
(140.7090) Lasers and laser optics : Ultrafast lasers
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
(140.3298) Lasers and laser optics : Laser beam combining

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: December 16, 2013
Revised Manuscript: February 10, 2014
Manuscript Accepted: February 10, 2014
Published: March 12, 2014

Citation
S. N. Bagayev, V. E. Leshchenko, V. I. Trunov, E. V. Pestryakov, and S. A. Frolov, "Coherent combining of femtosecond pulses parametrically amplified in BBO crystals," Opt. Lett. 39, 1517-1520 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-6-1517

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