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Optical gain in nanomaterials

Grant number: 18/23274-2
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): February 01, 2019
Effective date (End): July 31, 2019
Field of knowledge:Physical Sciences and Mathematics - Physics - Condensed Matter Physics
Principal researcher:Lázaro Aurélio Padilha Junior
Grantee:Tomás Aguiar Carneiro Ferreira
Home Institution: Instituto de Física Gleb Wataghin (IFGW). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil

Abstract

Semiconductor quantum dots (QDs) form a promising platform for application in lighting devices such as LEDs or lasers. For this reason, in this project the student will investigate the light-matter interaction in semiconductors at the strong quantum confinement regime, using ultrafast spectroscopy techniques, and explore optical gain in nanomaterials excited by ultrafast pulses (50-80 fs). The candidate will learn to deposit quantum dots in thin films through the spin-coating process. Finally, the candidate will study optical gain indifferent types of nanomaterials, correlating the threshold to their electronic properties.

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