Overlaying coherent-detection channels over direct-detection channels in multi-bit-rate systems
- 1 January 2009
- proceedings article
- Published by Optica Publishing Group
Abstract
We discuss the interactions of coherent PDM-QPSK channels at 40Gbit/s or 100Gbit/s with lower-bit-rate legacy channels over a typical terrestrial link. Nonlinear effects are found especially penalizing at 40Gbit/s.Keywords
This publication has 2 references indexed in Scilit:
- Coherent Equalization and POLMUX-RZ-DQPSK for Robust 100-GE TransmissionJournal of Lightwave Technology, 2008
- Linear Fiber Impairments Mitigation of 40-Gbit/s Polarization-Multiplexed QPSK by Digital Processing in a Coherent ReceiverJournal of Lightwave Technology, 2008