Title :
Real-time adaptive 4–64 QAM, 20–60 Gbit/s quantum noise stream cipher transmission over 320 km with FPGA-based transmitter and receiver
Author :
Masato Yoshida;Toshihiko Hirooka;Keisuke Kasai;Masataka Nakazawa
Author_Institution :
Research Institute of Electrical Communication, Tohoku University
Abstract :
We demonstrate a real-time adaptive 4-64 QAM, 20-60 Gbit/s quantum noise stream cipher transmission over 320 km with an FPGA-based transmitter and receiver. The QAM data multiplicity can be randomly changed on-line, which increases the encryption security.
Keywords :
"Quadrature amplitude modulation","Optical transmitters","Real-time systems","Field programmable gate arrays","Encryption","Optical receivers"
Conference_Titel :
Optical Communication (ECOC), 2015 European Conference on
DOI :
10.1109/ECOC.2015.7341787
