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A short-injector mid-infrared quantum cascade laser based on the In0.6Ga0.4As/In0.365Al0.635As material system is analyzed by means of a self-consistent ensemble Monte-Carlo method. Scattering mechanisms, namely electron - acoustic phonon, electron-longitudinal optical phonon including hot phonons, electron-electron, electron-alloy, electron-impurity and interface roughness scattering as well as the...
We present a study of vertically-grown Si ultra-short FET's based on a new implementation of the Cellular Automata simulation. The probabilistic scattering rates for the electric field have been replaced in the cellular automaton by a new deterministic scattering rule in a fully three-dimensional momentum-discretization, leading to a significant suppression of statistical errors. We have also developed...
A cellular-automaton (CA) approach for solving the Boltzmann equation is presented and applied to semiconductor device simulation. The comparison with Drift Diffusion and Monte Carlo (MC) algorithms shows the capabilities of the CA as a modelling tool, even in the presence of complicated geometries and hot carrier effects. With respect to the MC method, the CA exhibits a speed up of two orders of...
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