Harmonic Entanglement with Second-Order Nonlinearity

Nicolai B. Grosse, Warwick P. Bowen, Kirk McKenzie, and Ping Koy Lam
Phys. Rev. Lett. 96, 063601 – Published 13 February 2006

Abstract

We investigate the second-order nonlinear interaction as a means to generate entanglement between fields of differing wavelengths and show that perfect entanglement can, in principle, be produced between the fundamental and second-harmonic fields in these processes. Neither pure second-harmonic generation nor parametric oscillation optimally produce entanglement; such optimal entanglement is rather produced by an intermediate process.

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  • Received 6 July 2005

DOI:https://doi.org/10.1103/PhysRevLett.96.063601

©2006 American Physical Society

Authors & Affiliations

Nicolai B. Grosse1, Warwick P. Bowen1,2, Kirk McKenzie1, and Ping Koy Lam1

  • 1Quantum Optics Group, Department of Physics, Faculty of Science, The Australian National University, ACT 0200, Australia
  • 2Norman Bridge Laboratory of Physics, California Institute of Technology, Pasadena, California 91125, USA

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Issue

Vol. 96, Iss. 6 — 17 February 2006

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