Polarization-independent, differential-phase-shift, quantum-key distribution system using upconversion detectors
Optics Letters, Vol. 34, Issue 10, pp. 1606-1608 (2009)
http://dx.doi.org/10.1364/OL.34.001606
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Abstract
We propose and demonstrate a polarization-independent, differential-phase-shift, quantum-key distribution system with upconversion detectors. Even though the detectors have polarization dependency, use of alternative polarization modulation and a two-bit delay interferometer achieves polarization-insensitive operation. In an experiment, sifted key bits were polarization-independently generated over
© 2009 Optical Society of America
OCIS Codes
(270.5570) Quantum optics : Quantum detectors
(270.5568) Quantum optics : Quantum cryptography
ToC Category:
Quantum Optics
History
Original Manuscript: January 27, 2009
Revised Manuscript: March 17, 2009
Manuscript Accepted: April 14, 2009
Published: May 15, 2009
Citation
Yuki Iwai, Toshimori Honjo, Kyo Inoue, Hidehiko Kamada, Yoshiki Nishida, Osamu Tadanaga, and Masaki Asobe, "Polarization-independent, differential-phase-shift, quantum-key distribution system using upconversion detectors," Opt. Lett. 34, 1606-1608 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-10-1606
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