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Harmonic entanglement with second-order nonlinearity

Grosse, N; Bowen, Warwick P; McKenzie, K; Lam, Ping Koy


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.

CollectionsANU Research Publications
Date published: 2006-02-13
Type: Journal article
Source: Physical Review Letters
DOI: 10.1103/PhysRevLett.96.063601


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