22 February 2017 Modeling and simulation of the multi-population quantum-dot lasers based on equivalent circuit
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Abstract
In this article, combined a multi-population rate equations (MPREs) of quantum dot lasers (QDLs) with an equivalent circuit simulation method of multi quantum well lasers, a multi-population quantum dot lasers equivalent circuit model (MPQDLs-ECM) is developed to simulate the lasing, temperature and the turn-on delay characteristics of the MPQDLs. Calculated results show that the QDs with different energy levels lase independently at low temperature but lase coherently at high temperature. Also, the GS and ES are observed to be in three different turn-on cases with the excitation from the low level to high level. All the calculations agree well with other reported experimental and theoretical results, indicating that the MPQDLs-ECM can be of great importance in simulating, analyzing, optimizing as well as predicting the characteristics of the QDs based devices.
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Zhiyuan Lin, Guohui Yuan, Meng Yang, Lei Guan, Zhuoran Wang, "Modeling and simulation of the multi-population quantum-dot lasers based on equivalent circuit", Proc. SPIE 10098, Physics and Simulation of Optoelectronic Devices XXV, 1009819 (22 February 2017); doi: 10.1117/12.2248615; https://doi.org/10.1117/12.2248615
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