Ontology type: schema:ScholarlyArticle
2002
AUTHORSA. M. Mintairov, P. A. Blagnov, O. V. Kovalenkov, C. Li, J. L. Merz, S. Oktyabrsky, V. Tokranov, A. S. Vlasov, D. A. Vinokurov
ABSTRACTWe 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... »
PAGESk11.2
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DOIhttp://dx.doi.org/10.1557/proc-722-k11.2
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