Timing Recollision in Nonsequential Double Ionization by Intense Elliptically Polarized Laser Pulses

TL;DR

This paper investigates how elliptically polarized laser pulses influence recollision dynamics in double ionization of Neon, revealing asymmetries in momentum spectra and enabling ultrafast control of electron recollision processes.

Contribution

It provides a new physical understanding of recollision-impact double ionization under elliptical polarization using a 3D semiclassical model.

Findings

Observed ellipticity-dependent asymmetry in momentum distributions

Demonstrated recollision dynamics reflect sub-cycle laser field behavior

Showed potential for ultrafast control of recollision processes

Abstract

We examine correlated electron and doubly charged ion momentum spectra from strong field double ionization of Neon employing intense elliptically polarized laser pulses. An ellipticity-dependent asymmetry of correlated electron and ion momentum distributions has been observed. Using a 3D semiclassical model, we demonstrate that our observations reflect the sub-cycle dynamics of the recollision process. Our work reveals a general physical picture for recollision-impact double ionization with elliptical polarization, and demonstrates the possibility of ultrafast control of the recollision dynamics.