Experimental Demonstration of Coherent Control in Quantum Chaotic Systems

M. Bitter and V. Milner
Phys. Rev. Lett. 118, 034101 – Published 20 January 2017
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Abstract

We experimentally demonstrate coherent control of a quantum system, whose dynamics is chaotic in the classical limit. Interaction of diatomic molecules with a periodic sequence of ultrashort laser pulses leads to the dynamical localization of the molecular angular momentum, a characteristic feature of the chaotic quantum kicked rotor. By changing the phases of the rotational states in the initially prepared coherent wave packet, we control the rotational distribution of the final localized state and its total energy. We demonstrate the anticipated sensitivity of control to the exact parameters of the kicking field, as well as its disappearance in the classical regime of excitation.

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  • Received 29 July 2016

DOI:https://doi.org/10.1103/PhysRevLett.118.034101

© 2017 American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & OpticalNonlinear Dynamics

Authors & Affiliations

M. Bitter and V. Milner*

  • Department of Physics & Astronomy and The Laboratory for Advanced Spectroscopy and Imaging Research (LASIR), The University of British Columbia, V6T 1Z1 Vancouver, Canada

  • *Corresponding author. vmilner@phas.ubc.ca

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Issue

Vol. 118, Iss. 3 — 20 January 2017

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