Title :
Broadband counter-phase dithering of multi-terabit/s DP-QPSK signals for low noise FWM with a single CW pump
Author :
Pelusi, Mark ; Solis-Trapala, Karen ; Hung Nguyen Tan ; Inoue, Takashi ; Namiki, Shu
Author_Institution :
Centre for Ultrahigh Bandwidth Devices for Opt. Syst. (CUDOS), Univ. of Sydney, Sydney, NSW, Australia
Abstract :
Counter-phase modulation of WDM 24×100 Gb/s DP-QPSK channels in a polarization-insensitive fiber-loop is demonstrated for low noise degenerate four-wave mixing with a CW pump. The OSNR is boosted by ≈9 dB enabling an average ≈4 dB Q2-factor improvement.
Keywords :
Q-factor; multiwave mixing; optical fibre communication; optical fibre polarisation; optical modulation; optical noise; optical pumping; phase modulation; quadrature phase shift keying; telecommunication channels; wavelength division multiplexing; CW pump; DP-QPSK signals; OSNR; Q2-factor; WDM DP-QPSK channels; broadband counter-phase dithering; counter-phase modulation; low noise FWM; low noise degenerate four-wave mixing; polarization-insensitive fiber-loop; Optical attenuators; Optical fibers; Optical noise; Phase modulation; Radiation detectors; Radio frequency; Signal to noise ratio;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
