Abstract
Transmission-line laser modelling is a time-domain technique suitable for simulating large-signal dynamics and complex phenomena in semiconductor lasers. We show that the transmission-line laser model (TLLM) is capable of predicting optical spectra in excellent agreement with the measured spectra of a commercially available 1.55 μm Fabry-Perot (FP) laser, providing that scattering centres are introduced to simulate the effect of discrete scattering in or near the active region. The same model is also able to accurately predict the light-current curve, the pulse-modulation response and the relative-intensity-noise spectra of the laser. Thus, the TLLM can be applied to design and optimize short-haul optical communication systems using these commercial FP lasers.
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