Abstract
We have studied theoretically the influence of crossed electric and magnetic fields on the resonant tunnelling of photogenerated electrons and holes in an asymmetric double quantum well system. The electronic structure of this system has been calculated using the k·p multi-band model within a six-component envelope-function formalism. For a given value of applied electric field we determine the magnetic field necessary to bring into resonance the bottom (top) of the electron (hole) ground state of the narrow quantum well with a state in the wide well. We show that the obtained electric versus resonant magnetic field curves can be used to map out the dispersion relation of the wide quantum well.
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