Optical polarization anisotropy and hole states in pyramidal quantum dots

K. F. Karlsson; V. Troncale; D. Y. Oberli; A. Malko; E. Pelucchi; A. Rudra; E. Kapon

doi:10.1063/1.2402241

Optical polarization anisotropy and hole states in pyramidal quantum dots

K. F. Karlsson
, V. Troncale
, D. Y. Oberli
, A. Malko
, E. Pelucchi
, A. Rudra
, E. Kapon

Research output: Contribution to journal › Article › peer-review

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.

Original language	English
Article number	251113
Journal	Applied Physics Letters
Volume	89
Issue number	25
DOIs	https://doi.org/10.1063/1.2402241
Publication status	Published - 2006
Externally published	Yes

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10.1063/1.2402241

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title = "Optical polarization anisotropy and hole states in pyramidal quantum dots",

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.",

author = "Karlsson, \{K. F.\} and V. Troncale and Oberli, \{D. Y.\} and A. Malko and E. Pelucchi and A. Rudra and E. Kapon",

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AU - Karlsson, K. F.

AU - Troncale, V.

AU - Oberli, D. Y.

AU - Malko, A.

AU - Pelucchi, E.

AU - Rudra, A.

AU - Kapon, E.

PY - 2006

Y1 - 2006

N2 - 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.

AB - 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.

UR - https://www.scopus.com/pages/publications/33845944842

U2 - 10.1063/1.2402241

DO - 10.1063/1.2402241

M3 - Article

AN - SCOPUS:33845944842

SN - 0003-6951

VL - 89

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 25

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ER -

Optical polarization anisotropy and hole states in pyramidal quantum dots

Abstract

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