Analysis of High-Performing Terahertz Quantum Cascade Lasers

被引：19
|
作者：
Rindert, Viktor [1 ]
Onder, Ekin [1 ]
Wacker, Andreas [1 ]
机构：
[1] Lund Univ, Math Phys & NanoLund, Box 118, S-22100 Lund, Sweden
来源：
PHYSICAL REVIEW APPLIED | 2022年 / 18卷 / 04期
基金：
瑞典研究理事会;
关键词：
D O I：
10.1103/PhysRevApplied.18.L041001
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Detailed simulations for terahertz quantum cascade lasers based on two-well designs are presented. reproduce the maximal operation temperatures observed and attribute the degradation with temperature the occupation of parasitic levels and thermal backfilling. Furthermore, we demonstrate that the current injection can be conveniently studied by using states, which combine energy selectivity and spatial local-ization. Improving the injection allows achievement of higher maximal operation temperatures around 265 K.
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页数：6
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