Generation of 150-fs pulses from a diode-pumped Yb:KYW nonlinear regenerative amplifier | Zendy

Julien Pouysegur | Zendy; Martin Delaigue | Zendy; Clemens Hönninger | Zendy; Patrick Georges | Zendy; Frédéric Druon | Zendy; Eric Mottay | Zendy

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Generation of 150-fs pulses from a diode-pumped Yb:KYW nonlinear regenerative amplifier

Author(s) -

Julien Pouysegur,

Martin Delaigue,

Clemens Hönninger,

Patrick Georges,

Frédéric Druon,

Eric Mottay

Publication year - 2014

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.22.009414

Subject(s) - regenerative amplification , amplifier , materials science , optics , optoelectronics , diode , ytterbium , laser , sapphire , optical amplifier , doping , physics , cmos

Generation of sub-150-fs-level pulses has been obtained from an Yb-doped crystal-based regenerative amplifier by applying an innovative amplification scheme. This scheme is based on optimization of the linear and non-linear phase during the amplification process inside the regenerative amplifier cavity. This technique with Yb:KYW allows to achieve pulse durations from diode-pumped Yb-doped regenerative amplifiers that were up to now only accessible with more complex Ti:sapphire amplifiers. With this Yb-doped tungstate crystal used in regenerative amplifiers, 145 fs pulses centered at 1026 nm with a spectral bandwidth of 14 nm at 50 kHz for an average power of 1.6 W have been generated.

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