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Schwerpunktprogramm SPP 1285
Halbleiter Spintronik
Spintronik > Projekte > Projektansicht

Projekt

Ansprechpartner1
Dr. Rudolf Bratschitsch
Adresse1

Universität Konstanz
Fachbereich Physik
Universitätsstraße 10
D-78457 Konstanz

Tel.:
Tel.:07531-883752
Ansprechpartner2
Dr. Mikhail Fonin
Adresse2

Universität Konstanz
Fachbereich Physik
Universitätsstraße 10
D-78457 Konstanz

Tel.:
Tel.:07531-883106
Ansprechpartner3
Prof. Dr. Ulrich Rüdiger
Adresse3

Universität Konstanz
Fachbereich Physik
Universitätsstraße 10
D-78457 Konstanz

Tel.:
Tel.:07531-883787
Projekttitel
Quantum Dot Spins in High-Q Optical Resonators: Spin Meets Cavity QED
Projektbeschreibung

The aim of this project is to study the ultrafast spin dynamics of electrons and excitons in semiconductor quantum dots that are embedded in optical cavities in the strong coupling regime. IIVI materials, such as CdSe or ZnO are investigated due to their large exciton binding energy and high confining potentials. Therefore, the possible operation of these devices at room temperature may be envisioned. Magnetically doped quantum dots with large Zeeman splittings are used to address single dots in the same microcavity by spectral selection. Subsystems of a few quantum dots in single cavities may be connected by photonic waveguides.

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Aktuelle Veröffentlichung(en):

J. L. Cheng, M. W. Wu, and J. Fabian:  "Theory of the spin relaxation of conduction electrons in silicon" Phys. Rev. Lett. 104, 016601 (2010)

P.S. Eldridge, J. Hübner, S. Oertel, R.T. Harley, M. Henini, and M. Oestreich:  "Spin-orbit fields in asymmetric (001)-oriented GaAs/AlxGa1-xAs quantum wells" Physical Review B (Rapid Comm.) 83, 041301(R) (2011)

J. Karch et al.:  "Dynamic Hall Effect Driven by Circularly Polarized Light in a Graphene Layer" Phys. Rev. Lett. 105, 227402 (2010)