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Proceedings Article

Frequency up-conversion single-photon detectors for quantum communication systems

[+] Author Affiliations
Lijun Ma, Joshua C. Bienfang, Oliver Slattery, Xiao Tang

National Institute of Standards and Technology (USA)

Proc. SPIE 8033, Advanced Photon Counting Techniques V, 803306 (May 12, 2011); doi:10.1117/12.883213
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From Conference Volume 8033

  • Advanced Photon Counting Techniques V
  • Mark A. Itzler; Joe C. Campbell
  • Orlando, Florida, United States | April 25, 2011

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.

© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

Lijun Ma ; Joshua C. Bienfang ; Oliver Slattery and Xiao Tang
"Frequency up-conversion single-photon detectors for quantum communication systems", Proc. SPIE 8033, Advanced Photon Counting Techniques V, 803306 (May 12, 2011); doi:10.1117/12.883213; http://dx.doi.org/10.1117/12.883213


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