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Transmission of 96×100Gb/s with 23% Super-FEC Overhead over 11,680km, using Optical Spectral Engineering
Transmission Super-FEC Overhead Optical Spectral Engineering
2015/5/20
We transmit 96 PDM-QPSK channels at 100Gb/s over 11,680km, matching the best capacity × distance product reported, but with C-band-only EDFAs. 2.7b/s/Hz spectral density is obtained, despite 23% super...
Progress in Soft-Decision FEC
Soft-Decision FEC
2015/5/18
We discuss the practical implementation of LDPC codes in soft-decision FEC for 100 Gb/s digital coherent systems. The question of the definition of net coding gain for differential QPSK used to avoid ...
Soft Decision FEC for 100G Transport Systems
Fiber optics communications Optical communications
2015/6/8
A practical implementation of soft decision based FEC for 100G transport systems is discussed. The keys are a stronger coding gain using triple-concatenated FEC and a multi-lane distribution architect...
Comparison of Current FPGA Technology:Case Study Implementing FEC for the 100G Optical Transport Network
Current FPGA Technology Optical Transport Network
2015/7/15
This case study examines two high performance FEC algorithms implemented in a single state of the art FPGA for the 100G optical network.