Publication

Optical polarization anisotropy and hole states in pyramidal quantum dots

Elyahou Kapon, Alok Rudra, Daniel Oberli, Emanuele Pelucchi, Anton Malko, Valentina Troncale
2006
Journal Articles

Abstract

The authors present a polarization-resolved photoluminescence study of single semiconductor quantum dots (QDs) interconnected to quantum wires, measured both in a top geometry, and in a less conventional cleaved-edge geometry. Strong polarization anisotropy is revealed for all observed transitions, and it is deduced that closely spaced QD hole states exhibit nearly pure heavy-or light-hole character. These effects are attributed to the large aspect ratio of the dot shape. (c) 2006 American Institute of Physics.

Official source

https://infoscience.epfl.ch/entities/publication/f1e602c0-953e-4ce5-b725-555f19bd4709

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Optical polarization anisotropy and hole states in pyramidal quantum dots

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