All-optical logic gates for extreme ultraviolet switching via attosecond four-wave mixing
Abstract
All-optical logic-gate-based switching is a prerequisite for photonic computing. This article introduces a logic-gate protocol for noncollinear four-wave mixing (FWM) of one attosecond extreme ultraviolet (XUV) with two few-femtosecond near infrared (NIR) pulses. Simulations show that the NIR carrier-envelope phases (CEPs) alter the spatial distribution of the XUV FWM emission, using doubly-excited states of gas-phase helium as an example. A complete set of logic gatesX(N)OR, (N)AND, and (N)ORis realized for the 2s3p FWM signal at 63.66 eV with switching contrasts of 3.6 to 10.4. This theoretical study extends all-optical logic switching to the XUV and x-ray regimes and opens a new pathway for ultrafast photonic logic.
Keywords
Cite
@article{arxiv.2510.00699,
title = {All-optical logic gates for extreme ultraviolet switching via attosecond four-wave mixing},
author = {Patrick Rupprecht and Daniel M. Neumark and Stephen R. Leone},
journal= {arXiv preprint arXiv:2510.00699},
year = {2025}
}
Comments
11 pages, 7 figures, 1 table