Title :
Megabits secure key rate quantum key distribution
Author :
Zhang, Qiang ; Takesue, Hiroki ; Honjo, Toshimori ; Wen, Kai ; Hirohata, Toru ; Suyama, Motohiro ; Takiguchi, Yoshihiro ; Kamada, Hidehiko ; Tokura, Yasuhiro ; Tadanaga, Osamu ; Nishida, Yoshiki ; Asobe, Masaki ; Yamamoto, Yoshihisa
Author_Institution :
Edward L. Ginzton Lab., Stanford Univ., Stanford, CA, USA
Abstract :
Imperfect practical conditions limit communication speed of quantum cryptography. Here we implement differential phase shift quantum key distribution with up-conversion assisted hybrid photon detector to achieve 1.3 M bits/s secure key rate over a 10-km fiber.
Keywords :
differential phase shift keying; optical fibre networks; photodetectors; quantum cryptography; bit rate 1.3 Mbit/s; differential phase shift quantum key distribution; distance 10 km; fiber link; quantum cryptography; secure key rate quantum key distribution; up-conversion assisted hybrid photon detector; Charge carrier processes; Cryptography; Detectors; Electron tubes; Laboratories; Optical pulses; Optical receivers; Phase detection; Photonics; Pulse width modulation; (190.7220) Upconversion; (270.5568) Quantum cryptography;
Conference_Titel :
Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-869-8
Electronic_ISBN :
978-1-55752-869-8
