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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 24 — Dec. 15, 2013
  • pp: 5430–5433

Two-channel pulse synthesis to overcome gain narrowing in femtosecond fiber amplifiers

Florent Guichard, Marc Hanna, Laurent Lombard, Yoann Zaouter, Clemens Hönninger, Franck Morin, Frédéric Druon, Eric Mottay, and Patrick Georges  »View Author Affiliations

Optics Letters, Vol. 38, Issue 24, pp. 5430-5433 (2013)

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We demonstrate spectral coherent beam combining of two femtosecond fiber chirped-pulse amplifiers seeded by a common oscillator. Using active phase stabilization based on an electro-optic phase modulator, an average power of 10 W before compression and a high gain factor of 30 dB are obtained. At this gain value, 130 fs pulses with a spectral width of 19 nm can be generated, highlighting the strong potential of pulse synthesis for the reduction of the minimum duration of ultrashort pulses in fiber chirped-pulse amplifiers.

© 2013 Optical Society of America

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(120.5060) Instrumentation, measurement, and metrology : Phase modulation
(140.7090) Lasers and laser optics : Ultrafast lasers
(140.3298) Lasers and laser optics : Laser beam combining

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: October 17, 2013
Revised Manuscript: November 12, 2013
Manuscript Accepted: November 15, 2013
Published: December 12, 2013

Florent Guichard, Marc Hanna, Laurent Lombard, Yoann Zaouter, Clemens Hönninger, Franck Morin, Frédéric Druon, Eric Mottay, and Patrick Georges, "Two-channel pulse synthesis to overcome gain narrowing in femtosecond fiber amplifiers," Opt. Lett. 38, 5430-5433 (2013)

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