| Grant number: | 18/11388-3 |
| Support Opportunities: | Scholarships in Brazil - Post-Doctoral |
| Start date: | March 01, 2019 |
| End date: | April 15, 2019 |
| Field of knowledge: | Engineering - Electrical Engineering - Telecommunications |
| Principal Investigator: | Ben-Hur Viana Borges |
| Grantee: | Achiles Fontana da Mota |
| Host Institution: | Escola de Engenharia de São Carlos (EESC). Universidade de São Paulo (USP). São Carlos , SP, Brazil |
| Associated research grant: | 13/07276-1 - CEPOF - Optics and Photonic Research Center, AP.CEPID |
Abstract Hyperbolic metamaterials (HMs) constitute a new class of artificially produced materials (or metamaterials) intended to obtain hyperbolic shaped dispersion surface profiles. Consequently, these materials allow the propagation of waves whose wavevectors (k) are much higher than the vacuum wavenumber (k0), which is impractical with conventional materials. Besides increasing the density of photonic states of quantum emitters (QE), high-k modes also contribute to increase the decay rate of these sources. Since QEs are being successfully utilized as incoherent sources, such as LEDs, the investigation of techniques that allow the increase of the modulation rate of these sources becomes of extreme importance in the field of telecommunications. The advantage of using MHs as opposed to conventional materials for these applications is that MHs work at wider bandwidths and at previously impractical wavelengths. In this context, the focus of this post-doctoral research is the design, fabrication and characterization of MHs aiming at decreasing the half-life time of QEs while still maintaining high quantum efficiency. A complementary research strand tackled by this project consists in utilizing nanostructured MHs for sensing applications, since the high electromagnetic intensity of the high-k modes near the interfaces of these media makes these structures ideal for this purpose. Therefore, the telecommunications and sensing applications envisioned in this post-doctoral research represent an advance, both from a scientific and from a technological innovation point of view, for the Brazilian science in the areas of electrical engineering. | |
| News published in Agência FAPESP Newsletter about the scholarship: | |
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