Long-term field demonstration of WDM quantum key distribution system with stabilization control
K. Yoshino, Takao Ochi, Mikio Fujiwara, Akihisa Tomita, Masahide Sasaki, A. Tajima · 2013
A wavelength-division multiplexing quantum key distribution system with stabilization control was demonstrated through a 22-km field fiber in five-day continuous operation. Quantum bit error rates were kept below 3% in all key blocks.