S. Aisawa et al., ULTRA-WIDE-BAND, LONG-DISTANCE WDM DEMONSTRATION OF 1TBIT S (50X20GBIT/S), 600KM TRANSMISSION USING 1550 AND 1580NM WAVELENGTH BANDS/, Electronics Letters, 34(11), 1998, pp. 1127-1129
Long-distance terabit wavelength division multiplexing: transmission u
sing two wavelength bands simultaneously is reported. 20 channels in t
he 1550 nm band and 30 channels in the 1580 nm band, all carrying 20 G
bit/s, are transmitted over 600 km of singlemode fibre.