Polarization-independent, differential-phase-shift, quantum-key distribution system using upconversion detectors.
Opt Lett
; 34(10): 1606-8, 2009 May 15.
Article
en En
| MEDLINE
| ID: mdl-19448836
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 50 km fiber.
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01-internacional
Base de datos:
MEDLINE
Idioma:
En
Revista:
Opt Lett
Año:
2009
Tipo del documento:
Article
País de afiliación:
Japón