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Research of Single Photon Detectors Applied in Quantum Communication

  • Shiji Yang
  • Lixing You
  • Ming Zhang
  • Jianyu Wang
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 207)

Abstract

Single photon detector (SPD) is one of the key components in quantum communication (QC). To compare the capabilities of SPDs, this paper discussed the current technology of different SPDs and took some experiments. The results show avalanche photodiode (APD) can’t satisfy the development of QC. The count rate of Superconducting nanowire single photon detector (SNSPD) is much higher than APD and the other SPDs, which proves that SNSPD is feasible for high speed QC. And the lower dark count rate of SNSPD makes the lower error rate and the safer communication. Though there are some technical challenges in applications, SNSPD will have broad prospects in QC.

Keywords

Quantum communication Single photon detector Superconducting nanowire single photon detector Avalanche photodiode Count rate 

Notes

Acknowledgments

This work was funded in part by the basic research project of Shanghai Science and Technology Committee (Grant 08dz1400700).

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Copyright information

© Springer-Verlag London 2013

Authors and Affiliations

  • Shiji Yang
    • 1
  • Lixing You
    • 2
  • Ming Zhang
    • 3
  • Jianyu Wang
    • 4
  1. 1.Graduate University of Chinese Academy of SciencesBeijingChina
  2. 2.Shanghai Institute of Microsystem and Information TechnologyBeijingChina
  3. 3.Shanghai Institute of Technical Physics, CASGraduate University of Chinese Academy of SciencesBeijingChina
  4. 4.Shanghai Institute of Technical Physics, CASBeijingChina

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