Intermodulation induced by chirp-dispersion interaction, a major issue in radio over fiber link deployment, is modeled through a simulation code. Comparison with measured intercept point results shows successful matching within 1 dB. The adiabatic chirp coefficient is studied under the influence of the physical parameters of a semiconductor diode laser in order to determinate an optimal working point for a direct optical modulation. Finally the injection-locking technique is proposed in order to reduce the chirp coefficient of the laser.
Simulation and Measurement of Intermodulation Induced by Chirp-Dispersion Interaction in Radio-over-Fiber Systems / Rosa, Lorenzo; D., Passaro; S., Selleri; G., Tartarini; P., Faccin; E. M., Fabbri. - (2007), pp. 46-51. (Intervento presentato al convegno IASTED International Conference on Antennas, Radar and Wave Propagation (ARP 2007) tenutosi a Montreal, Canada nel 30 maggio-1 giugno 2007).
Simulation and Measurement of Intermodulation Induced by Chirp-Dispersion Interaction in Radio-over-Fiber Systems
ROSA, Lorenzo;
2007
Abstract
Intermodulation induced by chirp-dispersion interaction, a major issue in radio over fiber link deployment, is modeled through a simulation code. Comparison with measured intercept point results shows successful matching within 1 dB. The adiabatic chirp coefficient is studied under the influence of the physical parameters of a semiconductor diode laser in order to determinate an optimal working point for a direct optical modulation. Finally the injection-locking technique is proposed in order to reduce the chirp coefficient of the laser.
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