In this paper, the performance of a $${N}^{+}{\text{-}}CdTe/{n}^{0}{\text{-}}{Hg}_{0.824675}{Cd}_{0.175325}Te/{p}^{+}{\text{-}}{Hg}_{0.824675}{Cd}_{0.175325}Te$$ n–i–p photodetector with a heavily doped CdTe material as a window for terahertz frequency application has been analyzed. The detector is designed and studied in respect of electrical and optical characteristics. The results obtained with the help of TCAD tool are compared with the results obtained on the basis of the analytical model. The proposed photodetector is suitable for operation at a wavelength of 30 μm at liquid nitrogen temperature (77 K). It has the characteristics of dark current of $$4.6\times {10}^{-9}\, {\text{A}}$$ , quantum efficiency ( $$\upeta $$ ) ~ 73.93%, responsivity ( $$R$$ ) ~ 17.9 A/W, specific detectivity ( $${D}^{*}$$ ) ~ $$1.44\times {10}^{9} \,{\text{mHz}}^{1/2}\,{\text{W}}^{-1}$$ , noise equivalent power ( $${\text{NEP}}$$ ) ~ $$0.3\times {10}^{-16}\, {\text{W}}$$ .

中文翻译：

---

$${N}^{+}{\text{-}}CdTe/{n}^{0}{\text{-}}{Hg}_{0.824675}{Cd}_{0.175325}Te的性能分析/{p}^{+}{\text{-}}{Hg}_{0.824675}{Cd}_{0.175325}Te\ n - i - p$$ 光电探测器，工作在 30 μm 波长，适用于太赫兹应用

在本文中，$${N}^{+}{\text{-}}CdTe/{n}^{0}{\text{-}}{Hg}_{0.824675}{Cd} 的性能_{0.175325}Te/{p}^{+}{\text{-}}{Hg}_{0.824675}{Cd}_{0.175325}Te$$ n–i–p 光电探测器，采用重掺杂 CdTe 材料作为已经分析了太赫兹频率应用的窗口。探测器是从电学和光学特性方面进行设计和研究的。将借助 TCAD 工具获得的结果与基于分析模型获得的结果进行比较。所提出的光电探测器适用于在液氮温度 (77 K) 下以 30 μm 的波长运行。它具有$$4.6\times {10}^{-9}\, {\text{A}}$$ 的暗电流特性，量子效率（ $$\upeta $$ ）~73.93%，响应度（ $$ R$$ ) ~ 17.9 A/W, 比探测 ( $${D}^{*}$$ ) ~ $$1.44\times {10}^{9} \,