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Proceedings Paper

Frequency up-conversion single-photon detectors for quantum communication systems
Author(s): Lijun Ma; Joshua C. Bienfang; Oliver Slattery; Xiao Tang
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Paper Abstract

Frequency up-conversion technology can be used to increase detection efficiency for near infrared photons, as has been demonstrated in fiber-based quantum communication systems. In a continuous wave pumped up-conversion detector, the temporal resolution is limited by the timing jitter of the detector in the visible range, which limits the maximum clock rate of a quantum communication system. In this paper we describe a scheme to improve the temporal resolution of an up-conversion single-photon detector using multi-wavelength optical-sampling techniques, allowing for increased transmission rates in single-photon communications systems. We experimentally demonstrate our approach with an up-conversion detector using two spectrally and temporally distinct pump pulses, and show that it allows for high-fidelity single-photon detection at twice the rate supported by a conventional single-pump up-conversion detector.

Paper Details

Date Published: 12 May 2011
PDF: 9 pages
Proc. SPIE 8033, Advanced Photon Counting Techniques V, 803306 (12 May 2011); doi: 10.1117/12.883213
Show Author Affiliations
Lijun Ma, National Institute of Standards and Technology (United States)
Joshua C. Bienfang, National Institute of Standards and Technology (United States)
Oliver Slattery, National Institute of Standards and Technology (United States)
Xiao Tang, National Institute of Standards and Technology (United States)

Published in SPIE Proceedings Vol. 8033:
Advanced Photon Counting Techniques V
Mark A. Itzler; Joe C. Campbell, Editor(s)

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