14 March 2013 Dynamic analysis of high-order quantum dot based laterally-coupled distributed feedback lasers
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Abstract
A time-domain traveling wave algorithm is extended to investigate high-order quantum dot based laterally-coupled distributed feedback semiconductor lasers. The effect of radiation modes in laser performance is included via Streifer’s terms. We calculate the optical gain spectra based on a coupled set of rate equations and taking into account both inhomogeneous broadening due to dot size fluctuation and homogeneous broadening due to polarization dephasing. It was found that, for third-order quantum dot based laterally-coupled distributed feedback lasers; a stable single mode operation with high SMSR can be achieved by means of fine tuning of the grating duty cycle
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Akram Akrout, Akram Akrout, Kais Dridi, Kais Dridi, Trevor James Hall, Trevor James Hall, } "Dynamic analysis of high-order quantum dot based laterally-coupled distributed feedback lasers", Proc. SPIE 8619, Physics and Simulation of Optoelectronic Devices XXI, 861911 (14 March 2013); doi: 10.1117/12.2003435; https://doi.org/10.1117/12.2003435
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