论文标题
高速INAS/GASB中波红外线间级联级联光电探测器在室温下
High-speed InAs/GaSb Mid-Wave Infrared Interband Cascade Photodetector at Room Temperature
论文作者
论文摘要
高速中波红外（MWIR）光电遗传学在新兴区域具有重要的应用，例如高精度频率梳光谱和光检测和范围（LIDAR）。在这项工作中，我们报告了基于II II II II INAS/GASB超级晶格的高速房间中波红外式级联级联光电探测器（ICIP）。这些设备在5UM附近显示出光学截止波长，而3 dB的带宽高达7.04 GHz。在300 k下，在-0.1 V以下的9.39 x 10-2 A/cm2左右的相对较低的深色电流密度也被证明。这些结果验证了ICIP的优势以实现高频操作和在室温下达到低噪声。还根据S-参数分析和其他RF性能测量，讨论了检测器高速性能的局限性。
High speed mid-wave infrared (MWIR) photodetectors have important applications in the emerging areas such high-precision frequency comb spectroscopy and light detection and ranging (LIDAR). In this work, we report a high-speed room-temperature mid-wave infrared interband cascade photodetector (ICIP) based on a type-II InAs/GaSb superlattice. The devices show an optical cut-off wavelength around 5um and a 3-dB bandwidth up to 7.04 GHz. The relatively low dark current density around 9.39 x 10-2 A/cm2 under -0.1 V is also demonstrated at 300 K. These results validate the advantages of ICIPs to achieve both high-frequency operation and low noise at room temperature. Limitations on the high-speed performance of the detector are also discussed based on the S-parameter analysis and other RF performance measurement.
