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Direct amplification of ultrashort pulses in μ-pulling-down Yb:YAG single crystal fibers

Abstract : We demonstrated that Yb:YAG single crystal fibers have a strong potential for the amplification of femtosecond pulses. Seeded by 230 fs pulses with an average power of 400 mW at 30 MHz delivered by a passively mode-locked Yb:KYW oscillator, the system produced 330 fs pulses with an average power of 12 W. This is the shortest pulse duration ever produced by an Yb:YAG amplifier. The gain in the single crystal fiber reached a value as high as 30 in a simple double-pass configuration.
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Submitted on : Monday, April 15, 2013 - 10:32:55 AM
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Yoann Zaouter, Igor Martial, Nicolas Aubry, Julien Didierjean, Clemens Hönninger, et al.. Direct amplification of ultrashort pulses in μ-pulling-down Yb:YAG single crystal fibers. Optics Letters, Optical Society of America, 2011, 36 (5), pp.748. ⟨hal-00812597⟩

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