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Detectivity simulation of long-wavelength quantum well infrared photodetectors

机译:长波长量子阱红外光电探测器的探测模拟

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摘要

We present the results of a model for the detectivity simulation of multi-period AlGaAs/GaAs Long-wavelength quantum well infrared photodetectors (LW-QWIPs) by assuming a three-dimensional carrier transport in the barriers where the electrical fields are obtained in a self-consistent way. This model takes into account the fundamental mechanisms involved in the device detection process. The electrical field distribution, currents and detectivities are carefully calculated and analyzed. The numerical results explain well our experimental observations.
机译:我们通过假设在自身获得电场的势垒中的三维载流子传输,提出了多周期AlGaAs / GaAs长波长量子阱红外光电探测器(LW-QWIPs)的探测灵敏度模拟模型的结果。 -一致的方式。该模型考虑了设备检测过程中涉及的基本机制。仔细计算和分析了电场分布,电流和检测率。数值结果很好地解释了我们的实验观察。

著录项

  • 来源
    《Optical and quantum electronics》 |2011年第13期|p.817-826|共10页
  • 作者单位

    Key Laboratory of Polar Materials and Devices, Ministry of Education, East China Normal University,Shanghai 200241, China;

    Key Laboratory of Polar Materials and Devices, Ministry of Education, East China Normal University,Shanghai 200241, China;

    Key Laboratory of Polar Materials and Devices, Ministry of Education, East China Normal University,Shanghai 200241, China;

    Key Laboratory of Polar Materials and Devices, Ministry of Education, East China Normal University,Shanghai 200241, China;

    Key Laboratory of Polar Materials and Devices, Ministry of Education, East China Normal University,Shanghai 200241, China;

    Key Laboratory of Polar Materials and Devices, Ministry of Education, East China Normal University,Shanghai 200241, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    LW-QWIPs; electrical field distribution; currents; detectivity;

    机译:LW-QWIP;电场分布;电流侦探性;

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