Three-wavelength-division-multiplexed multichannel subcarrier-multiplexing transmission over multimode fiber with potential capacity of 12 Gb/s

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Abstract
We investigate the feasibility of 10-Gb/s delivery over multimode-fiber (MMF) local area networks by using the externally modulated multiple-wavelength-division-multiplexed subcarrier-multiplexed technique. In a system experiment, three externally modulated distributed-feedback lasers with different wavelengths (1551.1, 1553.6, and 1556.1 nm) are used to carry a total of 300 random-phased continuous-wave carriers for simulating 300 channels of 256-QAM signals. The transport of a potential capacity of 12 Gb/s (=40 Mb/s/spl times/300 channels) over a 4-km MMF link is demonstrated and analyzed.