Quantum photonic network: Concept, basic tools, and future issues

Masahide Sasaki; Mikio Fujiwara; Rui Bo Jin; Masahiro Takeoka; Te Sun Han; Hiroyuki Endo; Ken Ichiro Yoshino; Takao Ochi; Shione Asami; Akio Tajima

doi:10.1109/JSTQE.2014.2369507

Quantum photonic network: Concept, basic tools, and future issues

Masahide Sasaki, Mikio Fujiwara, Rui Bo Jin, Masahiro Takeoka, Te Sun Han, Hiroyuki Endo, Ken Ichiro Yoshino, Takao Ochi, Shione Asami, Akio Tajima

Research output: Contribution to journal › Article › peer-review

37 Citations (Scopus)

Abstract

We present practical GHz-clocked QKD systems, next generation entanglement QKD technologies, and QKD platform to manage the secure keys and to support a variety of applications. We then show the intrinsic limit of QKD, i.e., a key rate bound, and discuss how to realize the provable (information theoretic) security with a larger secrecy capacity over longer distances. In particular, we present a basic theory of physical layer cryptography, which characterizes the secrecy capacity, and engineers the tradeoff between the efficiency of reliable transmission and secrecy of communication. We introduce a concept to unify these schemes in photonic network, referred to as quantum photonic network. Future issues for realizing this new network paradigm are discussed.

Original language	English
Article number	6954419
Pages (from-to)	49-61
Number of pages	13
Journal	IEEE Journal of Selected Topics in Quantum Electronics
Volume	21
Issue number	3
DOIs	https://doi.org/10.1109/JSTQE.2014.2369507
Publication status	Published - 2015 May 1
Externally published	Yes

Keywords

Quantum communication
photonic network
quantum cryptography
quantum key distribution

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering

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10.1109/JSTQE.2014.2369507

Cite this

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title = "Quantum photonic network: Concept, basic tools, and future issues",

abstract = "We present practical GHz-clocked QKD systems, next generation entanglement QKD technologies, and QKD platform to manage the secure keys and to support a variety of applications. We then show the intrinsic limit of QKD, i.e., a key rate bound, and discuss how to realize the provable (information theoretic) security with a larger secrecy capacity over longer distances. In particular, we present a basic theory of physical layer cryptography, which characterizes the secrecy capacity, and engineers the tradeoff between the efficiency of reliable transmission and secrecy of communication. We introduce a concept to unify these schemes in photonic network, referred to as quantum photonic network. Future issues for realizing this new network paradigm are discussed.",

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AU - Jin, Rui Bo

AU - Takeoka, Masahiro

AU - Han, Te Sun

AU - Endo, Hiroyuki

AU - Yoshino, Ken Ichiro

AU - Ochi, Takao

AU - Asami, Shione

AU - Tajima, Akio

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Quantum photonic network: Concept, basic tools, and future issues

Abstract

Keywords

ASJC Scopus subject areas

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