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Sasaki M, Endo H, Fujiwara M, et al. Quantum photonic network and physical layer security. Philos Trans A Math Phys Eng Sci. 2017;375(2099)doi: 10.1098/rsta.2016.0243.
Sasaki, M., Endo, H., Fujiwara, M., Kitamura, M., Ito, T., Shimizu, R., & Toyoshima, M. (2017). Quantum photonic network and physical layer security. Philosophical transactions. Series A, Mathematical, physical, and engineering sciences, 375(2099), . https://doi.org/10.1098/rsta.2016.0243
Sasaki, Masahide, et al. "Quantum photonic network and physical layer security." Philosophical transactions. Series A, Mathematical, physical, and engineering sciences vol. 375,2099 (2017). doi: https://doi.org/10.1098/rsta.2016.0243
Sasaki M, Endo H, Fujiwara M, Kitamura M, Ito T, Shimizu R, Toyoshima M. Quantum photonic network and physical layer security. Philos Trans A Math Phys Eng Sci. 2017 Aug 06;375(2099). doi: 10.1098/rsta.2016.0243. PMID: 28652495; PMCID: PMC5487718.
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Philos Trans A Math Phys Eng Sci. 2017 Aug 06;375(2099). doi: 10.1098/rsta.2016.0243.

Quantum photonic network and physical layer security.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences

Masahide Sasaki, Hiroyuki Endo, Mikio Fujiwara, Mitsuo Kitamura, Toshiyuki Ito, Ryosuke Shimizu, Morio Toyoshima

Affiliations

  1. Quantum ICT Advanced Development Center, National Institute of Information and Communications Technology, 4-2-1, Nukuikitamachi, Koganei, Tokyo 184-8795, Japan [email protected].
  2. Quantum ICT Advanced Development Center, National Institute of Information and Communications Technology, 4-2-1, Nukuikitamachi, Koganei, Tokyo 184-8795, Japan.
  3. Graduate School of Informatics and Engineering, The University of Electro-Communications, 1-5-1 Chofugaoka, Chofu, Tokyo 182-8585, Japan.
  4. Space Communications Laboratory, National Institute of Information and Communications Technology, 4-2-1, Nukuikitamachi, Koganei, Tokyo 184-8795, Japan.

PMID: 28652495 PMCID: PMC5487718 DOI: 10.1098/rsta.2016.0243

Abstract

Quantum communication and quantum cryptography are expected to enhance the transmission rate and the security (confidentiality of data transmission), respectively. We study a new scheme which can potentially bridge an intermediate region covered by these two schemes, which is referred to as quantum photonic network. The basic framework is information theoretically secure communications in a free space optical (FSO) wiretap channel, in which an eavesdropper has physically limited access to the main channel between the legitimate sender and receiver. We first review a theoretical framework to quantify the optimal balance of the transmission efficiency and the security level under power constraint and at finite code length. We then present experimental results on channel characterization based on 10 MHz on-off keying transmission in a 7.8 km terrestrial FSO wiretap channel.This article is part of the themed issue 'Quantum technology for the 21st century'.

© 2017 The Author(s).

Keywords: free space optical communications; physical layer security; quantum cryptography; quantum key distribution; quantum photonic network; wiretap channel

References

  1. Opt Express. 2016 Apr 18;24(8):8940-55 - PubMed

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