Experimental implementation of 1310-nm differential phase shift QKD system with up-conversion detectors

Author

Ma, Lijun ; Xu, Hai ; Chang, Tiejun ; Slattery, Oliver ; Tang, Xiao

Author_Institution

Inf. Technol. Lab., Nat. Inst. of Stand. & Technol., Gaithersburg, MD

fYear

2008

fDate

4-9 May 2008

Firstpage

1

Lastpage

2

Abstract

We have experimentally implemented a differential phase shift quantum-key distribution system with up-conversion detectors operating at a 2.5 Gbps clock rate. A Michelson interferometer with Faraday mirrors is used to increase the system stability.

Keywords

Faraday effect; Michelson interferometers; differential phase shift keying; mirrors; optical communication equipment; optical fibre communication; optical frequency conversion; photodetectors; telecommunication security; Faraday mirrors; Michelson interferometer; bit rate 2.5 Gbit/s; communication security; differential phase shift QKD system; quantum-key distribution system; system stability; up-conversion detectors; wavelength 1310 nm; Clocks; Detectors; Mirrors; Optical fiber polarization; Optical interferometry; Optical modulation; Phase detection; Phase modulation; Pulse modulation; Wavelength division multiplexing; (270.5568) Quantum Cryptography; (270.5570) Quantum Detectors;

fLanguage

English

Publisher

iet

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

Type

conf

Filename

4572375