2022
DOI: 10.1088/1361-6463/ac9b6a
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A Fokker–Planck-based Monte Carlo method for electronic transport and avalanche simulation in single-photon avalanche diodes

Abstract: We present an efficient simulation method for electronic transport and avalanche in single-photon avalanche diodes (SPAD). Carrier transport is simulated in the real space using a particle Monte Carlo approach based on the Fokker-Planck point of view on an advection-diffusion equation, that enables us to reproduce mobility models, including electric fields and doping dependencies. The avalanche process is computed thanks to impact ionization rates implemented using a modified Random Path Length algorithm. Both tr… Show more

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Cited by 6 publications
(4 citation statements)
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“…(ii) The stochastic transport of the electrons is computed through the "Advection-Diffusion Monte Carlo" method. 12 The doping concentration and electric field at the particle positions are interpolated using the data from the initial Poisson TCAD simulation. This data at the particle position is used to compute the drift velocity and the random diffusion at each time step.…”
Section: Modelingmentioning
confidence: 99%
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“…(ii) The stochastic transport of the electrons is computed through the "Advection-Diffusion Monte Carlo" method. 12 The doping concentration and electric field at the particle positions are interpolated using the data from the initial Poisson TCAD simulation. This data at the particle position is used to compute the drift velocity and the random diffusion at each time step.…”
Section: Modelingmentioning
confidence: 99%
“…Different approaches have been proposed to reduce the computation time of the standard methods. 11,12 The "Advection-Diffusion Monte Carlo" approach has been used in this work. 12 This method interprets the standard drift-diffusion-based-TCAD equations as Fokker-Plank equations applied to spatial probability density of electrons.…”
Section: Introductionmentioning
confidence: 99%
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