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26 April 2024

» arxiv » arxiv.0705.3875

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Correlated photon-pair generation in reverse-proton-exchange PPLN waveguides with integrated mode demultiplexer at 10 GHz clock
Qiang Zhang ; Xiuping Xie ; Hiroki Takesue ; Sae Woo Nam ; Carsten Langrock ; Martin Fejer ; Yoshihisa Yamamoto ;
Date:	26 May 2007
Subject:	Quantum Physics (quant-ph)
Abstract:	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-um 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.
Source:	arXiv, arxiv.0705.3875
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