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Electric-field-induced quantum coherence of the intersubband transition in semiconductor quantum wells

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Abstract

An intense coherent laser field couples two electron subbands in quantum wells. Using generalized self-consistent density functional theory, we study the nature of the Coulomb and light-induced electronic renormalization. We show electric-field-induced transparency and light amplification without population inversion of a weak probe beam in such a system. The effects of the pump field strength, electron density, and δ-doping position are investigated.

© 1994 Optical Society of America

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