Share Email Print
cover

Proceedings Paper

Bridging the gap between theory and practice in quantum cryptography
Author(s): Marcos Curty; Kiyoshi Tamaki; Feihu Xu; Akihiro Mizutani; Charles Ci Wen Lim; Bing Qi; Hoi-Kwong Lo
Format Member Price Non-Member Price
PDF $14.40 $18.00
cover GOOD NEWS! Your organization subscribes to the SPIE Digital Library. You may be able to download this paper for free. Check Access

Paper Abstract

Quantum key distribution (QKD) needs to close the big gap between theory and practice to be a suitable technology for achieving information-theoretic secure communications. Indeed, recent studies on side-channel attacks have exposed the vulnerabilities of QKD implementations against an eavesdropper who may try to attack both the source and the measurement device. Here, we review two potential approaches that, combined, could bring this goal closer: measurement-device-independent QKD and the loss-tolerant QKD protocol. The former removes all possible side-channels from the measurement apparatus and guarantees a high performance over long distances. The latter appears as a robust solution against typical source flaws and it offers similar key rates as those of standard QKD systems. Most importantly, the feasibility of both solutions has already been demonstrated in several lab and field-test experiments.

Paper Details

Date Published: 13 October 2015
PDF: 13 pages
Proc. SPIE 9648, Electro-Optical and Infrared Systems: Technology and Applications XII; and Quantum Information Science and Technology, 96480X (13 October 2015); doi: 10.1117/12.2199415
Show Author Affiliations
Marcos Curty, Univ. of Vigo (Spain)
Kiyoshi Tamaki, NTT Corp. (Japan)
Feihu Xu, Massachusetts Institute of Technology (United States)
Akihiro Mizutani, Osaka Univ. (Japan)
Charles Ci Wen Lim, Oak Ridge National Lab. (United States)
Bing Qi, Oak Ridge National Lab. (United States)
Hoi-Kwong Lo, Univ. of Toronto (Canada)


Published in SPIE Proceedings Vol. 9648:
Electro-Optical and Infrared Systems: Technology and Applications XII; and Quantum Information Science and Technology
David A. Huckridge; Reinhard Ebert; Mark T. Gruneisen; Miloslav Dusek; John G. Rarity, Editor(s)

© SPIE. Terms of Use
Back to Top