This paper introduces modeling and simulation of the noise properties of the blue-violet InGaN laser diodes. The noise is described\nin terms of the spectral properties of the relative intensity noise (RIN). We examine the validity of the present noise modeling by\ncomparing the simulated results with the experimental measurements available in literature. We also compare the obtained noise\nresults with those of AlGaAs lasers. Also, we examine the influence of gain suppression on the quantum RIN. In addition, we\nexamine the changes in the RIN level when describing the gain suppression by the case of in homogeneous spectral broadening.\nThe results show that RINof the InGa Nlaser is nearly 9dB higher than that of the AlGaAs laser.
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