Two-Color Attosecond Chronoscope
Abstract
We study ionization of atoms in strong orthogonal two-color () (OTC) laser fields numerically and analytically. The calculated photoelectron momentum distribution shows two typical structures: a rectangular-like structure and a shoulder-like structure, the positions of which depend on the laser parameters. Using a strong-field model which allows us to quantitatively evaluate the Coulomb effect, we show that these two structures arise from attosecond response of electron inside an atom to light in OTC-induced photoemission. Some simple mappings between the locations of these structures and response time are derived, with which we are able to establish two-color attosecond chronoscope with high resolution for timing electron emission in OTC-based precise manipulation.
Cite
@article{arxiv.2301.12335,
title = {Two-Color Attosecond Chronoscope},
author = {J. N. Wu and J. Y. Che and F. B. Zhang and C. Chen and W. Y. Li and G. G. Xin and Y. J. Chen},
journal= {arXiv preprint arXiv:2301.12335},
year = {2023}
}
Comments
6 pages, 3 figures. arXiv admin note: text overlap with arXiv:2212.09886, arXiv:2301.00619