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Quantum Cryptography Security
Quantum Error Correction Fault Tolerance
Maintenance-free Operation of WDM Quantum Key Distribution System through a Field Fiber over 30 Days
arXiv
Authors: Ken-ichiro Yoshino, Takao Ochi, Mikio Fujiwara, Masahide Sasaki, Akio Tajima
Year
2013
Paper ID
33355
Status
Preprint
Abstract Read
~2 min
Abstract Words
53
Citations
N/A
Abstract
Maintenance-free wavelength-division-multiplexing quantum key distribution for 30 days was achieved through a 22-km field fiber. Using polarization-independent interferometers and stabilization techniques, we attained a quantum bit error rate as low as 1.70% and a key rate as high as 229.8 kbps, making the record of total secure key of 595.6 Gbits accumulated over an uninterrupted operation period.
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