太赫兹量子级联探测器的蒙特卡罗模拟
Monte Carlo Modeling of Terahertz Quantum Cascade Detectors
摘要：
我们展示了一个强大的和严格的模拟光伏量子级联探测器（QCD）在中红外（中红外）和太赫兹（THz）范围内的Encavity蒙特卡罗（EMC）建模方法。将现有的量子级联激光器（QCL）电磁兼容（EMC）模拟工具扩展到零偏压下热平衡条件下QCD中的光伏输运效应。在这里，我们提出的电磁兼容性研究的太赫兹探测器设计的检测波长为84 $μ$ m的结果。模拟结果与实验数据吻合较好。在10 K温度下，我们得到了9.4 mA/W的峰值响应率。
英文摘要：
We demonstrate an Ensemble Monte Carlo (EMC) modeling approach for robust and rigorous simulations of photovoltaic quantum cascade detectors (QCDs) in the mid-infrared (mid-IR) and terahertz (THz) range. The existing EMC simulation tool for quantum cascade lasers (QCLs) was extended to simulate the photovoltaic transport effects in QCDs at thermal equilibrium under zero bias. Here, we present the results of the EMC study of a THz detector design with a detection wavelength of 84 $μ$m. The simulation results show good agreement with experimental data. For a temperature of 10 K we obtain a peak responsivity of 9.4 mA/W.
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