AlInAsSb on GaSb Avalanche Photodiodes for eSWIR Detection

Zhao, Yang and Jin, Xiao and Zhou, Wenguang and Yi, Xin and Tian, Qingyu and Tao, Xiaofeng and Craig, Adam and Fleming, Fiona and Modak, Mrudul and Marshall, Andrew and Xu, Yingqiang and Wang, Guowei and Buller, Gerald S. and David, John P. R. (2025) AlInAsSb on GaSb Avalanche Photodiodes for eSWIR Detection. In: 2025 IEEE Photonics Conference (IPC) :. IEEE, pp. 1-2.

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Abstract

The ionization coefficients in Al0.7In0.3AsSb lattice matched to GaSb have been systematically measured over a wide range of avalanching widths. When combined with Al0.3In0.7AsSb as an absorber, we can show detection up to 2μ m at room temperature with low excess noise. Such avalanche photodiodes are very promising for extended short-wave infrared (eSWIR) applications such as LiDAR.