Performance and Modeling of the MWIR HgCdTe Electron Avalanche Photodiode

  title={Performance and Modeling of the MWIR HgCdTe Electron Avalanche Photodiode},
  author={Jeffrey D. Beck and Richard Scritchfield and Billy Sullivan and Jamie Teherani and Chang-Feng Wan and Michael A. Kinch and Martha Ohlson and Mark R. Skokan and Lewis Wood and Pradip Kumar Mitra and Mike J. Goodwin and James Edward Robinson},
  journal={Journal of Electronic Materials},
The operation of the mid-wave infrared (MWIR) HgCdTe cylindrical electron injection avalanche photodiode (e-APD) is described. The measured gain and excess noise factor are related to the collection region fill factor. A two-dimensional diffusion model calculates the time-dependent response and steady-state pixel point spread function for cylindrical diodes, and predicts bandwidths near 1 GHz for small geometries. A 2 μm diameter spot scan system was developed for point spread function and… CONTINUE READING