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Demonstration of Single-photon Source with 30 Times Higher Speed

– NICT paves the way for preparation of next-generation high-quality single-photon source –

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January 22, 2015

NICT, in collaboration with the University of Electro-Communications (UEC, President: Dr. Takashi Fukuda), has succeeded in the demonstration of a twin photon source pumped by a 2.5 GHz repetition-rate-tunable frequency comb laser. This photon source has a 30 times higher signal-to-noise ratio and a better performance in quantum interference than the traditional photon source pumped by a 76 MHz laser. This experiment will contribute to further progress of quantum information and quantum communications technology.
The result was published in Nature Scientific Reports doi:10.1038/srep07468 on December 19, 2014.

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Quantum ICT Advanced Development Center