Coherent carrier dynamics in semiconductor superlattices
Enrique Diez (UC3M), Rafael Gomez-Alcala (U.Vigo), Francisco, Dominguez-Adame (UCM), Angel Sanchez (UC3M), Gennady P. Berman (LANL)
TL;DR
This paper explores how carriers in semiconductor superlattices exhibit coherent Rabi oscillations under ac-dc electric fields, using numerical solutions of the effective-mass equation to reveal their dynamic behavior.
Contribution
The study provides a detailed numerical analysis of carrier dynamics, specifically identifying Rabi oscillations near miniband separations in superlattices.
Findings
Carriers undergo Rabi oscillations near miniband separation frequencies.
Numerical solutions of the effective-mass equation reveal coherent carrier dynamics.
The work advances understanding of quantum coherence in semiconductor superlattices.
Abstract
We investigate the coherent dynamics of carriers in semiconductor superlattices driven by ac-dc electric fields. We solve numerically the time-dependent effective-mass equation for the envelope function. We find that carriers undergo Rabi oscillations when the driving frequency is close to the separation between minibands.
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