CORDIS provides links to public deliverables and publications of HORIZON projects.
Links to deliverables and publications from FP7 projects, as well as links to some specific result types such as dataset and software, are dynamically retrieved from OpenAIRE .
Exploitable results
The nature and the specific features of the quadratic electromagnetic susceptibility in the optical frequency range of solid state nanostructures will be studied, both experimentally and theoretically, to obtain information about their electronic properties. The objects of study will include semiconductor quantum dots (SQD), quantum wells (QW), superlattices (SL), metallic nanocrystallites (MNC) and nanostructures like porous silicon. The radiation used will be from the visible to the near infrared. The goal is to understand the relationship between the quantum confinement in these nanostructures and the electronic structure and in particular the nonlinear optical properties. The project will be focused on the Nonlinear Optical response of silicon-siliconoxide quantum wells and of semiconductor quantum dots, in particular porous silicon. Measurements of spectroscopic Second Harmonic Generation (SHG) in the visible and near infrared will be undertaken, since this frequency range probes the electronic excitations. SHG studies have been shown to be very sensitive to the spatial symmetry and electronic structure, from the microscopic to the macroscopic level. As symmetry (breaking) plays an important role in SHG, the influence of the symmetry breaking shape of the nanostructures on the nonlinear response will be studied, as well as the effects of electron confinement in the quantum wells and dots.
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