Harmonic entanglement with second-order nonlinearity |
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| Authors: | Grosse Nicolai B Bowen Warwick P McKenzie Kirk Lam Ping Koy |
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| Affiliation: | Quantum Optics Group, Department of Physics, Faculty of Science, The Australian National University, ACT 0200, Australia. |
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| 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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