Field test of quantum key distribution in the Tokyo QKD Network
M. Sasaki, M. Fujiwara, H. Ishizuka, W. Klaus, K. Wakui, M. Takeoka,, A. Tanaka, K. Yoshino, Y. Nambu, S. Takahashi, A. Tajima, A. Tomita, T., Domeki, T. Hasegawa, Y. Sakai, H. Kobayashi, T. Asai, K. Shimizu, T. Tokura,, T. Tsurumaru, M. Matsui, T. Honjo, K. Tamaki, H. Takesue
TL;DR
This paper reports on a field test of a quantum key distribution network in Tokyo, demonstrating secure communication over 45km, stable long-term operation, and application to mobile phones.
Contribution
It introduces a novel metropolitan QKD network integrating multiple schemes for practical secure communication.
Findings
Successful secure TV conferencing over 45km
Stable long-term operation of the QKD network
Application of QKD to secure mobile phones
Abstract
A novel secure communication network with quantum key distribution in a metropolitan area is reported. Different QKD schemes are integrated to demonstrate secure TV conferencing over a distance of 45km, stable long-term operation, and application to secure mobile phones.
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