DocumentCode
733933
Title
Simple and efficient detection scheme for continuous variable quantum key distribution with m-ary phase-shift-keying
Author
Kleis, Sebastian ; Herschel, Reinhold ; Schaeffer, Christian G.
Author_Institution
Dept. of High-Freq. Technol., Helmut Schmidt Univ. Hamburg, Hamburg, Germany
fYear
2015
fDate
10-15 May 2015
Firstpage
1
Lastpage
2
Abstract
A detection scheme for discriminating coherent states in quantum key distribution systems employing PSK is proposed. It is simple and uses only standard components. Its applicability at extremely low power levels of as low as 0.045 photons per symbol is experimentally verified.
Keywords
light coherence; optical modulation; phase shift keying; photodetectors; quantum cryptography; quantum optics; PSK; coherent states discrimination; continuous variable quantum key distribution; detection scheme; m-ary phase-shift-keying; Modulation; Optical mixing; Optical receivers; Optical transmitters; Photonics; Signal to noise ratio;
fLanguage
English
Publisher
ieee
Conference_Titel
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location
San Jose, CA
Type
conf
Filename
7184376
Link To Document