024 TW ultrabroadband, CEP-stable multipass Ti:Sa amplifier

Abstract : We demonstrate a single-stage, multipass Ti:sapphire amplifier capable of delivering sub-13 fs, 3.2 mJ pulses at a 1 kHz repetition rate. Gaussian filters are used to suppress the gain-narrowing effect, thereby enabling the achievement of an ultrabroadband flat-top spectrum with a FWHM > 130 nm. The carrier-envelope phase (CEP) of the output pulses is actively stabilized via the feed-forward scheme (for the oscillator) and a fast 1 kHz f-to-2f interferometer, which corrects the amplifier-induced CEP drift. The single-shot 75 h CEP measurement yielded rms noise of <150 mrad. (C) 2019 Optical Society of America
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https://hal-ensta-paris.archives-ouvertes.fr//hal-02149540
Contributor : Pierre Zaparucha <>
Submitted on : Thursday, June 6, 2019 - 2:36:02 PM
Last modification on : Wednesday, July 3, 2019 - 10:48:03 AM

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Mikayel Musheghyan, Fabian Lücking, Zhao Cheng, Harald Frei, Andreas Assion. 024 TW ultrabroadband, CEP-stable multipass Ti:Sa amplifier. Optics Letters, Optical Society of America, 2019, 44 (6), pp.1464. ⟨10.1364/OL.44.001464⟩. ⟨hal-02149540⟩

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