Dispersion-induced limit on the range of octave confined optical SCM transmission systems

A simple analytic expression for dispersion-induced composite triple beat in subcarrier multiplexed optical transmission systems has been derived. Measurements of a thirty-two channel octave-confined SCM system confirm the theoretical result, and indicate that distances in excess of 50 km are readily achievable for transmission of AM-VSB video signals, using a directly modulated DFB lasers at 1550 nm wavelength.<
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