Optimal Stochastic Enhancement of Photoionization

Kamal P. Singh and Jan M. Rost
Phys. Rev. Lett. 98, 160201 – Published 20 April 2007

Abstract

The effect of noise on the nonlinear photoionization of an atom due to a femtosecond pulse is investigated in the framework of the stochastic Schrödinger equation. A modest amount of white noise results in an enhancement of the net ionization yield by several orders of magnitude, giving rise to a form of quantum stochastic resonance. We demonstrate that this effect is preserved if the white noise is replaced by broadband chaotic light.

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  • Received 28 November 2006

DOI:https://doi.org/10.1103/PhysRevLett.98.160201

©2007 American Physical Society

Authors & Affiliations

Kamal P. Singh and Jan M. Rost

  • Max Planck Institute for the Physics of Complex Systems, Nöthnitzer Straße 38, D-01187 Dresden, Germany

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Issue

Vol. 98, Iss. 16 — 20 April 2007

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