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Generation of optically synchronized pump-signal beams for ultrafast OPCPA via the optical Kerr effect

Abstract : In recent years, multi-PW laser installations have achieved unprecedented peak powers opening new horizons to laser-matter interaction studies. Ultra broadband and extreme temporal contrast pulses requirements make the optical parametric chirped pulse amplification (OPCPA) in the few-ps regime, the key technology in these systems. To guarantee however a high fidelity output, the OPCPA requires excellent synchronization between the pump and the signal pulses. Here, we propose a new highly versatile architecture for the generation of optically synchronized pumpsignal pairs based on the Kerr shutter effect. We obtained >550 µJ pump pulses of 12 ps duration at 532 nm optically synchronized with a typical ultrashort CPA source at 800 nm. As a proof of principle demonstration, our system has been also used for the amplification of ∼20 µJ ultra-broadband pulses based on an OPCPA setup.
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https://hal.sorbonne-universite.fr/hal-03280230
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Submitted on : Wednesday, July 7, 2021 - 10:59:32 AM
Last modification on : Sunday, June 26, 2022 - 3:10:45 AM
Long-term archiving on: : Friday, October 8, 2021 - 6:16:16 PM

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Christina Alexandridi, Xavier Délen, Frederic Druon, Patrick Georges, Luc Martin, et al.. Generation of optically synchronized pump-signal beams for ultrafast OPCPA via the optical Kerr effect. Optics Letters, Optical Society of America - OSA Publishing, 2021, 46 (9), pp.2035. ⟨10.1364/OL.425237⟩. ⟨hal-03280230⟩

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