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We demonstrate hybrid 40-Gb/s and 100-Gb/s PDM-QPSK DWDM transmission using real-time DSP in 580-km DSF-installed field testbed. The nonlinear crosstalk penalty due to the hybrid transmission of less than 0.5 dB is confirmed.
We present the first experimental demonstration of a multi-granularity optical-cross-connect node toward 100-Tbit/s scalability. We successfully show 10.24-Tbit/s throughput with completely error-free operation and an 80-Gbit/s (2 times 40-Gbit/s) optical-virtual-concatenation function between different routes.
The capability of 2.64 Tbit/s (132 ch./spl times/20 Gbit/s) WDM transmission over 120 km single mode fibre (SMF) is experimentally demonstrated. High density WDM signal with 0.6 bit/s/Hz spectrum efficiency is produced by optical duobinary coding.
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