Mechanical Interaction in Near-Field Spectroscopy of single Semiconductor Quantum Dots. View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2002

AUTHORS

A. M. Mintairov, P. A. Blagnov, O. V. Kovalenkov, C. Li, J. L. Merz, S. Oktyabrsky, V. Tokranov, A. S. Vlasov, D. A. Vinokurov

ABSTRACT

We have studied high-energy shifts of single quantum dot (QD) emission lines induced by contact pressure exerted by a near-field optical fiber tip. “Pressure” coefficients of 0.65-3 meV/nm have been measured for self-organized InAs/GaAs, InAs/AlAs and InP/GaInP QDs in agreement with numerical calculations of the local strain field. We found an increase of the tipinduced pressure with increasing aperture diameter from 50-300 nm. A correlation between the shift rate and QD stiffness was obtained. We also observed an order of magnitude increase of single QD emission intensity with increased pressure. More... »

PAGES

k11.2

Identifiers

URI

http://scigraph.springernature.com/pub.10.1557/proc-722-k11.2

DOI

http://dx.doi.org/10.1557/proc-722-k11.2

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1067954049


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