Title :
Differential-phase-shift quantum key distribution utilizing decoy pulses
Author :
Inoue, Kyo ; Hosokawa, Keigo ; Noguchi, Yuita ; Hayashi, Shusaku
Abstract :
A differential-phase-shift quantum key distribution scheme utilizing decoy pulses is proposed. Alice sends a coherent pulse train that occasionally includes high-level decoy pulses. Eavesdropping is revealed from photon counting rates around the decoy pulses.
Keywords :
differential phase shift keying; high-speed optical techniques; light coherence; optical communication; photon counting; quantum cryptography; differential-phase-shift quantum key distribution; eavesdropping mechanism; high-level decoy pulses; photon counting rates; Detectors; Event detection; Intensity modulation; Interference; Optical pulses; Optical transmitters; Phase detection; Protocols; Pulse measurements; System performance; (270.5565) Quantum Communications; (270.5568) Optical Cryptography;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
