Title :
Real-time 10 Gbit/s-16 QAM quantum stream cipher transmission over 320 km with FPGA-based transmitter and receiver
Author :
Yoshida, Masato ; Hirooka, Toshihiko ; Kasai, Keisuke ; Nakazawa, Masataka
Author_Institution :
Res. Inst. of Electr. Comrnunication, Tohoku Univ., Sendai, Japan
Abstract :
We demonstrate the first real-time 10 Gbit/s-16 QAM quantum stream cipher transmission over 320 km with an FPGA-based transmitter and receiver. The random number sequence pattern was changed on-line to increase the encryption security.
Keywords :
field programmable gate arrays; optical receivers; optical transmitters; quadrature amplitude modulation; quantum cryptography; random sequences; telecommunication security; FPGA-based receiver; FPGA-based transmitter; bit rate 10 Gbit/s; distance 320 km; encryption security; random number sequence pattern; real-time QAM quantum stream cipher transmission; Encryption; Optical noise; Optical transmitters; Quadrature amplitude modulation; Real-time systems; Receivers; Synchronization;
Conference_Titel :
Optical Fiber Communications Conference and Exhibition (OFC), 2015
Conference_Location :
Los Angeles, CA
