Magneto-Stark polaron states in semiconductor quantum wells
Yu Chen, Nicolas Regnault, Robson Ferreira
TL;DR
This paper theoretically investigates how a lateral electric field influences magneto-polaron states in quantum cascade lasers under magnetic fields, revealing Fano resonance behavior and implications for optical properties.
Contribution
It introduces a novel application of the Fano model to magneto-Stark polaron states in quantum wells and analyzes their resonances and optical effects.
Findings
Identification of Fano resonance behavior in magneto-Stark polaron states
Analysis of resonance effects on optical characteristics
Implications for quantum cascade laser performance
Abstract
We study theoretically the effect of a lateral electric field on the magneto-polaron states in a quantum cascade laser under a quantizing magnetic field. We show that this problem fits the original Fano model of a discrete state coupled to a continuum, present a detailed analysis of magneto-Stark polaron resonances, and finally discuss the strong consequences on the optical characteristics of an operating structure.
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Taxonomy
TopicsSemiconductor Quantum Structures and Devices · Quantum and electron transport phenomena