Multipass OPCPA system at 100 kHz pumped by a CPA-free solid-state amplifier | Zendy

Jan Ahrens | Zendy; O. Prochnow | Zendy; Thomas Binhammer | Zendy; T. Lang | Zendy; B. Schulz | Zendy; M. Frede | Zendy; Uwe Morgner | Zendy

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Multipass OPCPA system at 100 kHz pumped by a CPA-free solid-state amplifier

Author(s) -

Jan Ahrens,

O. Prochnow,

Thomas Binhammer,

T. Lang,

B. Schulz,

M. Frede,

Uwe Morgner

Publication year - 2016

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.24.008074

Subject(s) - optics , amplifier , regenerative amplification , materials science , picosecond , laser , optical amplifier , chirped pulse amplification , sapphire , lithium triborate , optical parametric amplifier , high harmonic generation , nonlinear optics , physics , optoelectronics , femtosecond , cmos

We present a compact few-cycle 100 kHz OPCPA system pumped by a CPA-free picosecond Nd:YVO 4 solid-state amplifier with all-optical synchronization to an ultra-broadband Ti:sapphire oscillator. This pump approach shows an exceptional conversion rate into the second harmonic of almost 78%. Efficient parametric amplification was realized by a two stage double-pass scheme with following chirped mirror compressor. The amount of superfluorescence was measured by an optical cross-correlation. Pulses with a duration of 8.7 fs at energies of 18 µJ are demonstrated. Due to the peak power of 1.26 GW, this simple OPCPA approach forms an ideal high repetition rate driving source for high-order harmonic generation.

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