We describe a single-channel optical transmission experiment that achieved a bit rate-distance product of 1 Tbit/s Wm over conventional (non-dispersion-shifted) fibre. The transmitter was a directly modulated, 1.3 μm-wavelength, distributed feedback laser. The receiver employed a semiconductor optical preamplifier and a high-impedance pm-HEMT front-end.
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Gnauck et al. (1989) studied this question.
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