Perturbed Field Ionization for Improved State Selectivity
Abstract
Selective field ionization is used to determine the state or distribution of states to which a Rydberg atom is excited. By evolving a small perturbation to the ramped electric field using a genetic algorithm, the shape of the time-resolved ionization signal can be controlled. This allows for separation of signals from pairs of states that would be indistinguishable with unperturbed selective field ionization. Measurements and calculations are presented that demonstrate this technique and shed light on how the perturbation directs the pathway of the electron to ionization. Pseudocode for the genetic algorithm is provided. Using the improved resolution afforded by this technique, quantitative measurements of the dipole-dipole interaction are made.
Cite
@article{arxiv.1908.09052,
title = {Perturbed Field Ionization for Improved State Selectivity},
author = {Vincent C. Gregoric and Jason J. Bennett and Bianca R. Gualtieri and Hannah P. Hastings and Ankitha Kannad and Zhimin Cheryl Liu and Maia R. Rabinowitz and Zoe A. Rowley and Miao Wang and Lauren Yoast and Thomas J. Carroll and Michael W. Noel},
journal= {arXiv preprint arXiv:1908.09052},
year = {2020}
}