A frequency-nondegenerate entanglement source using periodically-poled lithium niobate

被引:0
|
作者
Mason, EJ [1 ]
Albota, MA [1 ]
König, F [1 ]
Wong, FNC [1 ]
机构
[1] MIT, Elect Res Lab, Cambridge, MA 02139 USA
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D O I
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中图分类号
TP301 [理论、方法];
学科分类号
081202 ;
摘要
We demonstrate efficient generation of highly nondegenerate photon pairs with a type-I phase-matched, periodically-poled lithium niobate parametric downconverter. The signal photons at 800nm and the idler photons at 1600nm were generated in a collinear-propagation configuration with an inferred pair generation rate of 1.4x10(7)/s/mW of pump power. Detection of a signal photon triggered a thermoelectrically cooled, 20%-efficient InGaAs avalanche photodiode for the detection of the 1600-nm conjugate idler photon. Using single-mode fibers as spatial mode filters, the signal-conditioned idler-detection probability was similar to3.1%.
引用
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页码:107 / 110
页数:4
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