Few-cycle mid-infrared pulses from BaGa2GeSe6
Optics
2021-06-23 v1
Abstract
BGGSe is a newly developed nonlinear material that is attractive for ultrabroad frequency mixing and ultrashort pulse generation due to its comparably low dispersion and high damage threshold.In a first experiment, we show that a long crystal length of 2.6 mm yields a pulse energy of 21 pJ at 100 MHz with a spectral bandwidth covering 5.8 to 8.5 microns. The electric field of the carrier-envelope-phase stable pulse is directly measured with electro-optical sampling and reveals a pulse duration of 91 fs, which corresponds to sub-four optical cycles, thus confirming some of the prospects of the material for ultrashort pulse generation and mid-infrared spectroscopy.
Keywords
Cite
@article{arxiv.2106.11557,
title = {Few-cycle mid-infrared pulses from BaGa2GeSe6},
author = {U. Elu and L. Maidment and L. Vamos and T. Steinle and F. Haberstroh and V. Petrov and V. Badikov and D. Badikov and J. Biegert},
journal= {arXiv preprint arXiv:2106.11557},
year = {2021}
}