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

fYear

2009

fDate

2-4 June 2009

Firstpage

1

Lastpage

2

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;

fLanguage

English

Publisher

ieee

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

Type

conf

Filename

5225565