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Berlin 2015 – wissenschaftliches Programm

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HL: Fachverband Halbleiterphysik

HL 9: Quantum dots: Optical properties

HL 9.11: Vortrag

Montag, 16. März 2015, 12:45–13:00, EW 203

Radiation pattern for epitaxial Quantum DotsLudwig Albrecht Thorsten Greif, Stefan Jagsch, Axel Hoffmann, and •Andrei Schliwa — TU Berlin, Germany

Effective interaction between an exciton (X0) localized in a quantum dot (QD) and a cavity mode (CM) requires i) resonance between X0 and CM, ii) optimal spatial overlap of QD and CM, and iii) a transition dipole moment which is collinear to the electric field of the CM. The latter is closely related to the angular-resolved radiation characteristics of the X0, which will be discussed here for epitaxial QDs of different chemistry, crystal structure and shape using eight-band kp theory.

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