29 March 2013 Semiconductor sources of photon pairs
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We demonstrate efficient photon pair generation for quantum communication using an all-semiconductor approach. In an AlGaAs Bragg-reflection waveguide we employ spontaneous parametric down-conversion to produce photon pairs at telecommunication wavelengths. The various phase-matching solutions present in our device can be used to create timebin or polarization entanglement. This approach can to lead to a fully integrated photon pair source with the pump laser, active and passive optical devices all on a single semiconductor chip.
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G. Weihs, G. Weihs, T. Günthner, T. Günthner, B. Pressl, B. Pressl, R. Horn, R. Horn, P. Abolghasem, P. Abolghasem, B. J. Bijlani, B. J. Bijlani, D. Kang, D. Kang, A. S. Helmy, A. S. Helmy, "Semiconductor sources of photon pairs", Proc. SPIE 8635, Advances in Photonics of Quantum Computing, Memory, and Communication VI, 863518 (29 March 2013); doi: 10.1117/12.2002591; https://doi.org/10.1117/12.2002591


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