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Generation of tunable wavelength coherent states and heralded single photons for quantum optics applications

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Published in Optics Communications. 2014, vol. 327, p. 17-21
Abstract Quantum optics experiments frequently involve interfering single photons and coherent states. In the case of multi-photon experiments this requires that all photons are frequency degenerate. We report a simple and practical approach to generate coherent states that can be readily tuned to any wavelength required, for example by non-degenerate photon pair creation. We demonstrate this by performing a two-photon (Hong-Ou-Mandel) interference experiment between a coherent state and a pure heralded single photon source. No spectral filtering is required on either source, the coherent state constrained by the pump and seed lasers and the heralded photon exploits non-local filtering. We expect that such an approach can find a wide range of applications in photonic based quantum information science.
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Research group Groupe Zbinden
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BRUNO, Natalia, MARTIN, Anthony, THEW, Rob. Generation of tunable wavelength coherent states and heralded single photons for quantum optics applications. In: Optics Communications, 2014, vol. 327, p. 17-21. https://archive-ouverte.unige.ch/unige:83936

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Deposited on : 2016-05-30

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