Title :
Transmission of 20/spl times/20 Gb/s RZ-DQPSK signals over 5090 km with 0.53 b/s/Hz spectral efficiency
Author :
Ishida, Kazuyuki ; Shimizu, Katsuhiro ; Mizuochi, Takashi ; Motoshima, Kuniaki ; Sebastien, Dany ; Gagnon, Ly ; Kikuchi, Kazuro
Author_Institution :
Inf. Technol. R&D Center, Mitsubishi Electr. Corp., Kamakura, Japan
Abstract :
We demonstrate a transmission of 20 channels at 20 Gb/s using RZ-DQPSK format over 5090 km of dispersion-managed fiber with distributed Raman amplifiers. For this condition, RZ-DQPSK signals are mainly degraded by single channel distortion.
Keywords :
Raman lasers; differential phase shift keying; marine communication; optical fibre amplifiers; optical fibre communication; optical fibre dispersion; quadrature phase shift keying; 20 Gbit/s; RZ-DQPSK signal transmission; dispersion-managed fiber amplifier; distributed Raman amplifiers; single channel distortion; spectral efficiency; submarine systems;
Conference_Titel :
Optical Fiber Communication Conference, 2004. OFC 2004
Print_ISBN :
1-55752-772-5
