Electronic Design

Tech Tosses Terabits Over 10,000 km

NEC announces its successful 1.15-Tb/s ultra-long haul optical transmission over 10,000 kilometers using optical superchannel technology. It is described as the first time a terabit/s channel generated from a single laser source has been transmitted over such a distance. Four superchannels were transmitted together by wavelength division multiplexing to achieve a total capacity of 4 Tb/s and a spectral efficiency of 3.6 b/s/Hz. NEC Laboratories America Inc., Princeton, NJ. (609) 520-1555.

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