Title :
High-speed QKD system synchronized by automatic phase-alignment mechanism
Author :
Maeda, W. ; Tajima, A. ; Tanaka, A. ; Takahashi, S. ; Takeuchi, T.
Author_Institution :
NEC Corp., Kawasaki, Japan
Abstract :
A high-speed QKD system, which has an automatic modulation-phase-alignment mechanism for compensating for GVD, was developed. Using this system, we confirmed high-speed and stable quantum key distribution with transmission over 40 km was possible.
Keywords :
phase modulation; quantum cryptography; synchronisation; wavelength division multiplexing; GVD compensation; automatic phase-alignment mechanism; group velocity delay; high-speed QKD system; high-speed quantum key distribution; modulation-phase-alignment mechanism; stable quantum key distribution; synchronization; Clocks; Cryptography; Optical fiber networks; Optical pulses; Phase modulation; Pulse modulation; Synchronization; Temperature; Timing; Wavelength division multiplexing;
Conference_Titel :
Optical Fiber Communication Conference, 2005. Technical Digest. OFC/NFOEC
Print_ISBN :
1-55752-783-0
DOI :
10.1109/OFC.2005.192754
