Title :
Overlaying coherent-detection channels over direct-detection channels in multi-bit-rate systems
Author :
Bigo, Sébastien ; Charlet, Gabriel ; Renaudier, Jérémie ; Salsi, Massimiliano ; Bertran-Pardo, Oriol
Author_Institution :
Bell Labs., Alcatel-Lucent, Nozay
Abstract :
We discuss the interactions of coherent PDM-QPSK channels at 40 Gb/s or 100 Gb/s with lower-bit-rate legacy channels over a typical terrestrial link. Nonlinear effects are found especially penalizing at 40 Gb/s.
Keywords :
multiplexing; nonlinear optics; optical fibre communication; optical fibre polarisation; optical modulation; optical signal detection; quadrature phase shift keying; telecommunication channels; PDM-QPSK channels; bit rate 100 Gbit/s; bit rate 40 Gbit/s; coherent-detection channels; direct-detection channels; lower-bit-rate legacy channels; multibit-rate systems; nonlinear effects; terrestrial link; Distributed feedback devices; Erbium-doped fiber amplifier; Laser feedback; Nonlinear optics; Optical fiber polarization; Optical modulation; Optical noise; Optical polarization; Optical signal processing; Testing; (060.1660) coherent communication; (060.4510) optical communication;
Conference_Titel :
Optical Fiber Communication - incudes post deadline papers, 2009. OFC 2009. Conference on
Conference_Location :
San Diego, CA
Print_ISBN :
978-1-4244-2606-5
Electronic_ISBN :
978-1-55752-865-0
