Linearly Polarized Emission of Quantum Wells Subject to an In-Plane Magnetic Field

Y G Kusrayev, A V Koudinov, N S Averkiev, Daniel Wolverson, J J Davies, J Kossut, G Karczewski, T Wojtowicz

Research output: Contribution to conferencePaperpeer-review

Abstract

We present results on the linear polarization of the photoluminescence (PL) of dilute magnetic semiconductor quantum wells which is induced by an applied magnetic field. The PL is found to be partially linearly polarized, but without any correlation with the polarization of the exciting light, whilst the direction of the polarization does not depend on the direction of the magnetic field in the plane although its magnitude does. We present a model for this behavior in terms of a possible reduction of the in-plane symmetry of the quantum well; we conclude that any perturbations giving (i) a finite in-plane hole g-factor and (ii) a mixing of light and heavy holes are sufficient to generate the type of experimental behavior we observe.
Original languageEnglish
Pages2782-2786
Number of pages5
Publication statusPublished - 2007
Event13th International Conference on II-VI Compounds - Jeju City, South Korea
Duration: 10 Sep 200714 Sep 2007

Conference

Conference13th International Conference on II-VI Compounds
CityJeju City, South Korea
Period10/09/0714/09/07

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