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Efficient single-photon frequency upconversion at telecommunication wavelengths with Ti-indiffused periodically-poled LiNbO3 waveguides

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Abstract

We demonstrate single-photon frequency-upconversion using a titanium-infused periodically-poled lithium niobate waveguide by L-band erbium-doped fiber amplifier pump. Internal efficiencies up to 84.4% and dark-count rate of 44kHz are achieved with narrowband filtering down to 3.5GHz.

© 2015 Optical Society of America

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