Abstract
In this paper, we have theoretically studied dynamics of a semiconductor quantum dot (QD) laser for enhancing its small signal and large signal modulation as a function of compression gain. We have considered InGaAs/GaAs QD laser rate equations and solved this equation system numerically. We have revealed that a diminution in compression gain leads to an improvement in frequency bandwidth for this three state lasing system. We also have calculated turn on delay and output power that obviously indicates the effect of compression gain on relaxation oscillations.
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Shafieenezhad, A., Rajaei, E. & Yazdani, S. Impact of gain compression on modulation response and dynamic properties of three state lasing InGaAs/GaAs quantum dot lasers. Opt. Spectrosc. 120, 639–645 (2016). https://doi.org/10.1134/S0030400X16040020
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DOI: https://doi.org/10.1134/S0030400X16040020