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International Conference on Quantum Comunication and Quantum Networking

QuantumComm 2009: Quantum Communication and Quantum Networking pp 220–224Cite as

Fiber Coupled Single Photon Detector with Niobium Superconducting Nanowire

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Abstract

We have fabricated Niobium-based superconducting single photon detector (Nb-SSPD) for realizing high detection efficiency and fast reset time. The Nb-SSPD consisted of a 7 nm-thick and 200 nm-wide Nb meander line and exhibited the critical temperature and critical current density of 4 K and 4.6×105 A/cm2, respectively. The Nb-SSPD was coupled to an optical fiber, and the reset time of 2.5 ns was observed with illumination of laser pulses at 1550 nm wavelength.

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Author information

Authors and Affiliations

  1. National Instiute of Advanced Industrial Science and Technolagy, 1-1-1 Umezono, Tsukuba, Japan

    Go Fujii, Daiji Fukuda, Takayuki Numata, Akio Yoshizawa, Hidemi Tsuchida & Tatsuya Zama

  2. Institute of Quantum Science, Nihon University, 1-8-14 Kanda-Surugadai, Chiyoda-ku, Tokyo, Japan

    Go Fujii & Shuichiro Inoue

Authors
  1. Go Fujii
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  2. Daiji Fukuda
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  3. Takayuki Numata
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  4. Akio Yoshizawa
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  5. Hidemi Tsuchida
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  6. Shuichiro Inoue
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  7. Tatsuya Zama
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Editor information

Editors and Affiliations

  1. Department of Electrical & Computer Engineering and Department of Physics, Boston University, 8 Saint Mary’ s Street, 02215-2421, Boston, MA, USA

    Alexander Sergienko

  2. Dipartimento di Fisica, Unversity di Bari, 70126, Bari, Italy

    Saverio Pascazio

  3. Department of Information Engineering, CNR-INFM LUXOR Laboratory for Ultravilolet and X-Ray Optical Search, University of Padova, via Gradenico 6, 35131, Padova, Italy

    Paolo Villoresi

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© 2010 ICST Institute for Computer Science, Social Informatics and Telecommunications Engineering

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Fujii, G. et al. (2010). Fiber Coupled Single Photon Detector with Niobium Superconducting Nanowire. In: Sergienko, A., Pascazio, S., Villoresi, P. (eds) Quantum Communication and Quantum Networking. QuantumComm 2009. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 36. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-11731-2_26

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  • DOI: https://doi.org/10.1007/978-3-642-11731-2_26

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-11730-5

  • Online ISBN: 978-3-642-11731-2

  • eBook Packages: Computer ScienceComputer Science (R0)

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