期刊
OPTICS EXPRESS
卷 15, 期 16, 页码 10288-10293出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.15.010288
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We report 10-ps correlated photon pair generation in periodically-poled reverse-proton- exchange lithium niobate waveguides with integrated mode demultiplexer at a wavelength of 1.5-mu m and a clock of 10 GHz. Using superconducting single photon detectors, we observed a coincidence to accidental count ratio (CAR) as high as 4000. The developed photon-pair source may find broad application in quantum information systems as well as quantum entanglement experiments. (c) 2007 Optical Society of America.
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