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Harmonic entanglement with second-order nonlinearity

Grosse, Nicolai B. and Bowen, Warwick P. and McKenzie, Kirk and Lam, Ping Koy (2006) Harmonic entanglement with second-order nonlinearity. Physical Review Letters, 96 (6). Art. No. 063601. ISSN 0031-9007. doi:10.1103/PhysRevLett.96.063601.

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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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Additional Information:©2006 The American Physical Society. Received 6 July 2005; published 13 February 2006. This research is supported by the Australian Research Council Discovery Grant scheme. W. P. B. would like to acknowledge financial support from the Center for the Physics of Information, California Institute of Technology.
Subject Keywords:optical harmonic generation; quantum entanglement; quantum optics; optical parametric oscillators
Issue or Number:6
Record Number:CaltechAUTHORS:GROprl06
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:3652
Deposited By: Tony Diaz
Deposited On:24 Jun 2006
Last Modified:08 Nov 2021 20:11

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