Abstract
Abstract Carriers temperature in quantum dot (QD) optical amplifiers has been modelled theoretically taken into account hole contribution, which is not considered early. The contributions of wetting layer (WL), first excited state (ES1), and second excited state (ES2) have also been considered. Effect of WL−ES2 recombination time of both electrons and holes, carrier heating (CH) time of electrons and holes, in addition to electron hole recombination time are examined. The results show that there is a gap between electron and hole heating temperature due to the difference between there recovery times. It is found that fast hole (long electron) recombination time yield a high carrier temperature.
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