Spatial-state Stokes-operator squeezing and entanglement for optical beams

M. T. L. Hsu, W. P. Bowen, and P. K. Lam
Phys. Rev. A 79, 043825 – Published 23 April 2009

Abstract

The transverse spatial attributes of an optical beam can be decomposed into the position, momentum, and orbital angular momentum observables. The position and momentum of a beam are directly related to the quadrature amplitudes, while the orbital angular momentum is related to the polarization (spin) variables. In this paper, we study the quantum properties of these spatial variables, using a representation in the Stokes-operator basis. We propose a spatial detection scheme to measure all three spatial variables and, consequently, propose a scheme for the generation of spatial Stokes-operator squeezing and entanglement.

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  • Received 8 November 2008

DOI:https://doi.org/10.1103/PhysRevA.79.043825

©2009 American Physical Society

Authors & Affiliations

M. T. L. Hsu1,2, W. P. Bowen3, and P. K. Lam1

  • 1ARC COE for Quantum-Atom Optics, Australian National University, Canberra, Australian Capital Territory 0200, Australia
  • 2Department of Chemistry, Stanford University, Palo Alto, California 94305, USA
  • 3School of Physical Sciences, University of Queensland, Brisbane, Queensland 4072, Australia

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Issue

Vol. 79, Iss. 4 — April 2009

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