Few-cycle pulse generation by double-stage hybrid multi-pass multi-plate nonlinear pulse compression
Abstract
Few-cycle pulses present an essential tool to track ultrafast dynamics in matter and drive strong field effects. To address photon-hungry applications, high average power lasers are used which, however, cannot directly provide sub-100 fs pulse durations. Post-compression of laser pulses by spectral broadening and dispersion compensation is the most efficient method to overcome this limitation. Here, we demonstrate a notably compact setup which turns a 0.1 GW peak power, picosecond laser into a 2.9 GW peak power, 8.2 fs source. The 120-fold pulse duration shortening is accomplished in a two-stage hybrid multi-pass, multi-plate compression setup. To our knowledge, neither shorter pulses, nor higher peak powers have been reported to-date from bulk multi-pass cells alone, manifesting the power of the hybrid approach. It puts, for instance, compact, cost-efficient and high repetition rate attosecond sources within reach.
Cite
@article{arxiv.2210.11619,
title = {Few-cycle pulse generation by double-stage hybrid multi-pass multi-plate nonlinear pulse compression},
author = {Anne-Lise Viotti and Chen Li and Gunnar Arisholm and Lutz Winkelmann and Ingmar Hartl and Christoph M. Heyl and Marcus Seidel},
journal= {arXiv preprint arXiv:2210.11619},
year = {2023}
}