The effect of laser-diode frequency chirping on harmonic distortions in multimode fibre analogue transmission with direct intensity modulation was clarified experimentally with results in good agreement with the theory. The results show that the harmonic distortion can be greatly reduced by the reduction of the frequency chirping which accompanies diode-laser intensity modulation.
Inspec keywords: semiconductor junction lasers; optical modulation; guided light propagation; optical links; optical fibres
Other keywords:
Subjects: Fibre optics and fibre waveguides; Fibre optics; Laser beam modulation, pulsing and switching; mode locking and tuning; Lasing action in semiconductors; Optical communication devices, equipment and systems; Semiconductor lasers; Optical communication; Modulation and coding methods
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