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Challenges of 40/100 Gbps deployments in long-haul transport networks on existing fibre and system infrastructure
Optical communications Modulation
2015/6/5
High-bandwidth services require faster long-haul transport networks. Meanwhile operators are not ready to make evolve significantly their fibre infrastructure based on PMD-limited G.652 fibre while th...
Coherent Electronic Compensation Techniques for Long-Haul Optical Fibre Transmission–Opportunities and Challenges
Electronic Compensation Techniques Long-Haul Optical Fibre Transmission
2015/7/20
We review recent advances in the use coherent detection and digital signal processing to compensate for dispersion and nonlinearity in long-haul WDM links, and assess the use of these techniques for l...
Digital Modulation Challenges for High-capacity Optical Transport Network with 100Gbps Channels and Beyond
Digital Modulation Challenges High-capacity Optical Transport Network Channels
2015/7/20
Digital signal processing technologies have great advantages for realizing the high-capacity Optical Transport Network based on over 100 Gbps channels. Novel no-guard-interval OFDM with frequency doma...
Dynamic Optical Mesh Networks:Drivers,Challenges and Solutions for the Future
Dynamic Optical Mesh Networks Drivers
2015/7/16
We discuss the scalability challenges facing the optical networks. Using the architecture based on spectrum-sliced elastic optical path network (SLICE), we demonstrate how the networking functionality...
Challenges to FDM-QAM coherent transmission with ultrahigh spectral efficiency
FDM-QAM coherent transmission ultrahigh spectral efficiency
2015/7/30
Quadrature amplitude modulation (QAM) is an excellent modulation format for realizing optical communication systems with a high spectral efficiency of much greater that 1 bit/s/Hz. I describe recent p...