Abstract:The ambipolar lateral diffusion of photo-induced charge carriers restricted in
a plane of a quantum well (QW) under a moderate (non-quantizing) magnetic
field is studied theoretically in the framework of the drift-diffusion model. The
continuity equation for this case is solved exactly. The analytical expressions for the
concentration of photo-induced electrons and the built-in electric field in the practically
important cases of uniform and bell-shaped light beams are obtained in a closed
form. It is shown th… Show more
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