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100G Transoceanic Length Transmission with High Spectral Efficiency Using Bandwidth Constrained PDM-QPSK
100G Transoceanic Length Transmission High Spectral Efficiency Bandwidth Constrained PDM-QPSK
2011/5/20
We review our recent 100G, high spectral efficiency, transmission experiments over transoceanic and regional distances. Transmitter pre-filtering together with a MAP detection algorithm can significan...
Ultra-High-Spectral-Efficiency Transmission
Fiber optics links subsystems Modulation Optical communications
2010/6/10
We discuss the generation, transmission, and coherent detection of 14-Gbaud polarization-division multiplexed, 16-ary quadrature-amplitude-modulation (16-QAM) signals (112-Gb/s line rate). We attain 6...
Interleaving OFDM Signals for Multiple Access with Optical Routing Capability and High Spectral Efficiency
Interleaving OFDM Signals Multiple Acces Optical Routing Capability High Spectral Efficiency
2009/7/16
We propose interleaving of OFDM signals as a scheme for multiple access. By filtering of subbands a routing function is realised. The concept is demonstrated by transmission over 400km SSMF with spect...