1. High spectral efficiency (0.53 bit/s/Hz) WDM transmission of 160 Gb/s per wavelength over 400 km of fiber;Mikkelsen,2001
2. 6.4 Tb/s (160×40 Gb/s) WDM transmission experiment with 0.8 bit/s/Hz spectral efficiency;Ito,2000
3. Tripple-wavelength-band WDM transmission over cascaded dispersion-shifted fibers;Kani,1999
4. 10.92-Tb/s (273×40-Gb/s) triple-band/ultra-dense WDM optical-repeatered transmission experiment;Fukuchi,2001
5. Novel network fiber to manage dispersion at 1.55 μm with combination of 1.3 μm zero dispersion single mode fiber;Mukasa,1997