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DPS Quantum Key Distribution System
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/05/01
Online ISSN: 1745-1337
Print ISSN: 0916-8508
Type of Manuscript: INVITED PAPER (Special Section on Leading-Edge Developments in Quantum Cryptographic Systems)
quantum cryptography, quantum key distribution, secret key, differential phase shift, photon detection,
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Differential-phase-shift (DPS) quantum key distribution (QKD) is one scheme of quantum key distribution whose security is based on the quantum nature of lightwave. This protocol features simplicity, a high key creation rate, and robustness against photon-number-splitting attacks. We describe DPS-QKD in this paper, including its setup and operation, eavesdropping against DPS-QKD, system performance, and modified systems to improve the system performance.