Title :
Spectrally-efficient dual phase-conjugate twin waves with orthogonally multiplexed quadrature pulse-shaped signals
Author :
Yoshida, Takafumi ; Sugihara, Tomoyuki ; Ishida, K. ; Mizuochi, Takashi
Author_Institution :
Inf. Technol. R&D Center, Mitsubishi Electr. Corp., Kamakura, Japan
Abstract :
We propose a novel nonlinearity mitigation technique which can double the spectral efficiency of a phase-conjugate twin wave by diplexing the twin waves. Simulation shows a Q improvement of 1.2 dB from conventional DP-QPSK transmission.
Keywords :
multiplexing; optical modulation; optical phase conjugation; quadrature phase shift keying; DP-QPSK transmission; dual phase-conjugate twin waves; nonlinearity mitigation; orthogonally multiplexed quadrature pulse-shaped signals; spectral efficiency; Optical fibers; Optical polarization; Optical receivers; Optical transmitters; Pulse shaping methods; Shape;
Conference_Titel :
Optical Fiber Communications Conference and Exhibition (OFC), 2014
Conference_Location :
San Francisco, CA
Print_ISBN :
978-1-5575-2994-7
DOI :
10.1364/OFC.2014.M3C.6
