Carrier-envelope phase stable few-cycle laser system delivering more than 100 W, 1 mJ, sub-2-cycle pulses

Author:

Hädrich Steffen1ORCID,Shestaev Evgeny12,Tschernajew Maxim1,Stutzki Fabian1,Walther Nico1,Just Florian1,Kienel Marco1,Seres Imre3,Jójárt Péter3,Bengery Zsolt3,Gilicze Barnabás3,Várallyay Zoltán3,Börzsönyi Ádám3,Müller Michael2ORCID,Grebing Christian124,Klenke Arno25ORCID,Hoff Dominik6,Paulus Gerhard G.57,Eidam Tino1,Limpert Jens1245

Affiliation:

1. Active Fiber Systems GmbH

2. Friedrich-Schiller-Universität Jena

3. ELI-ALPS, ELI-HU Non-Profit Ltd

4. Fraunhofer Institute for Applied Optics and Precision Engineering

5. Helmholtz-Institute Jena

6. Single Cycle Instruments

7. Institute of Optics and Quantum Electronics

Abstract

Two-stage multipass-cell compression of a fiber–chirped-pulse amplifier system to the few-cycle regime is presented. The output delivers a sub-2-cycle (5.8 fs), 107 W average power, 1.07 mJ pulses at 100 kHz centered at 1030 nm with excellent spatial beam quality (M2 = 1.1, Strehl ratio S = 0.98), pointing stability (2.3 µrad), and superior long-term average power stability of 0.1% STD over more than 8 hours. This is combined with a carrier-envelope phase stability of 360 mrad in the frequency range from 10 Hz to 50 kHz, i.e., measured on a single-shot basis. This unique system will serve as an HR1 laser for the Extreme Light Infrastructure Attosecond Light Pulse Source research facility to enable high repetition rate isolated attosecond pulse generation.

Funder

European Regional Development Fund

Fraunhofer-Gesellschaft

H2020 European Research Council

Publisher

Optica Publishing Group

Subject

Atomic and Molecular Physics, and Optics

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