G-CoReCCD: a GPU-based simulator of the charge transport in fully-depleted CCDs

Nov 8, 2020
6 pages
Published in:
  • Proc.SPIE Int.Soc.Opt.Eng. 11525 (2020) 81
  • Published: Nov 8, 2020
e-Print:

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Abstract: (International Society for Optics and Photonics)
We introduce a simulator of charge transport in fully-depleted, thick CCDs that include Coulomb repulsion between carriers. The calculation of this long-range interaction is highly intensive computationally, and only a few thousands of carriers can be simulated in reasonable times using regular CPUs. G-CoReCCD takes advantage of the high number of multiprocessors available in a graphical processing unit (GPU) to parallelize the operations and thus achieve a massive speedup. We can simulate the path inside the CCD bulk for up to hundreds of thousands of carriers in only a few hours using modern GPUs.
Note:
  • 6 pages, 6 figures, presented at SPIE Future Sensing Technologies 2020
  • Charge Coupled Devices
  • Coulomb repulsion
  • X-Rays
  • Atmospheric muons
  • GPGPU
  • Charge diffusion