Open AccessDiffusive-Probabilistic Model for Inter-Pixel Crosstalk in HgCdTe Focal Plane Arrays
Author(s) -
Marco Vallone,
Michele Goano,
Francesco Bertazzi,
Giovanni Ghione,
Stefan Hanna,
Detlef Eich,
Heinrich Figgemeier
Publication year - 2018
Publication title -
ieee journal of the electron devices society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.69
H-Index - 31
ISSN - 2168-6734
DOI - 10.1109/jeds.2018.2835818
Subject(s) - components, circuits, devices and systems , engineered materials, dielectrics and plasmas
A closed-form probabilistic model for inter-pixel crosstalk in planar HgCdTe focal plane arrays is presented, providing simple expressions of crosstalk as function of device parameters like the pixel pitch, the absorber thickness, and the extension of the carrier depleted region. The method is effective in particular for performing parameter sensitivity studies on inter-pixel crosstalk, as an alternative to large-scale numerical simulations. The model is validated against three-dimensional combined optical and electrical numerical simulations, considering realistic, non-monochromatic illumination.
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