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Electron and hole energy levels and eigenstates, and the overlap of electron and hole wave functions are calculated for four-well multiquantum well (MQW) structures assuming a uniform electric field with Airy function solutions. MQW are found to be much more sensitive to electric fields than single wells. Stark ladder formation is observed in the valence-band wells at low fields, and in the conduction band at high fields. It is found that the Δm=0 mode selection rule is violated by fields smaller than those thought to exist in MQW diode lasers.
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P.W.A. McIlroy (1986) studied this question.
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