Title :
Polarization independent DPS-QKD system using up-conversion detectors
Author :
Iwai, Yuki ; Honjo, Toshimori ; Inoue, Kyo ; Kamada, Hidehiko ; Nishida, Yoshiki ; Tadanaga, Osamu ; Asobe, Masaki
Author_Institution :
Osaka Univ., Suita
Abstract :
We report a differential phase shift quantum key distribution experiment using up-conversion detectors. Though the detectors had polarization dependency, we were able to make the system polarization-independent by using polarization modulation.
Keywords :
differential phase shift keying; optical modulation; optical receivers; photodetectors; quantum cryptography; quantum optics; differential phase shift quantum key distribution; polarization independent DPS-QKD system; polarization modulation; up-conversion detectors; Detectors; Frequency; Laboratories; Optical filters; Optical modulation; Optical polarization; Optical receivers; Optical waveguides; Phase detection; Quantum mechanics; (270.5565) Quantum communications; (270.5570) Quantum detectors;
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
