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Proceedings Paper

Spectral tuning of site-selected single InAs/InP quantum dots via intermixing
Author(s): K. Mnaymneh; D. Dalacu; P. J. Poole; J. Lapointe; R. Cheriton; R. L. Williams
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Paper Abstract

In this paper, we present experimental results from site-selected single quantum dots that have undergone a number of intermixing process steps via rapid thermal annealing. We show that the intermixing process blueshifts the dot's emission spectrum without affecting the linewidth as well as decreasing its biexciton binding energy and s-p shell spacing. The anisotropic exchange splitting is shown to have undergone a sign inversion implying that the splitting had gone through zero. Intermixing provides another nanoengineering tool for the design of scalable solid-state photon and entangled photon pair sources.

Paper Details

Date Published: 10 February 2011
PDF: 10 pages
Proc. SPIE 7947, Quantum Dots and Nanostructures: Synthesis, Characterization, and Modeling VIII, 794704 (10 February 2011); doi: 10.1117/12.875634
Show Author Affiliations
K. Mnaymneh, National Research Council Canada (Canada)
D. Dalacu, National Research Council Canada (Canada)
P. J. Poole, National Research Council Canada (Canada)
J. Lapointe, National Research Council Canada (Canada)
R. Cheriton, National Research Council Canada (Canada)
R. L. Williams, National Research Council Canada (Canada)

Published in SPIE Proceedings Vol. 7947:
Quantum Dots and Nanostructures: Synthesis, Characterization, and Modeling VIII
Kurt G. Eyink; Frank Szmulowicz; Diana L. Huffaker, Editor(s)

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