Efficient single-photon counting at 1.55 microm by means of frequency upconversion.

Abstract

We demonstrate efficient single-photon detection at 1.55 microm by means of sum-frequency mixing with a strong pump at 1.064 microm in periodically poled lithium niobate followed by photon counting in the visible region. This scheme offers significant advantages over existing InGaAs photon counters: continuous-wave operation, higher detection efficiency… (More)

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@article{Albota2004EfficientSC, title={Efficient single-photon counting at 1.55 microm by means of frequency upconversion.}, author={Marius A. Albota and Franco N. C. Wong}, journal={Optics letters}, year={2004}, volume={29 13}, pages={1449-51} }