Experimental demonstration of polarization encoding quantum key distribution system based on intrinsically stable polarization-modulated units.
Opt Express
; 24(8): 8302-9, 2016 Apr 18.
Article
em En
| MEDLINE
| ID: mdl-27137268
ABSTRACT
A proof-of-principle demonstration of a one-way polarization encoding quantum key distribution (QKD) system is demonstrated. This approach can automatically compensate for birefringence and phase drift. This is achieved by constructing intrinsically stable polarization-modulated units (PMUs) to perform the encoding and decoding, which can be used with four-state protocol, six-state protocol, and the measurement-device-independent (MDI) scheme. A polarization extinction ratio of about 30 dB was maintained for several hours over a 50 km optical fiber without any adjustments to our setup, which evidences its potential for use in practical applications.
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01-internacional
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MEDLINE
Tipo de estudo:
Guideline
Idioma:
En
Ano de publicação:
2016
Tipo de documento:
Article