Design and modelling of photonic crystals with anisotropic components
The present Communications Age requires more and more efficient devices in terms of speed, consumption and size for the treatment of information. Nanoscale photonic crystal devices and anisotropic materials is expected to provide a possibility to create electro-optical devices with required characte...
| Autor: | |
|---|---|
| Tipo de recurso: | tesis doctoral |
| Estado: | Versión publicada |
| Fecha de publicación: | 2010 |
| País: | España |
| Institución: | Universitat Rovira i virgili (URV) |
| Repositorio: | Repositori Institucional de la Universitat Rovira i Virgili |
| OAI Identifier: | oai:urv.cat:TDX:262 |
| Acceso en línea: | https://hdl.handle.net/20.500.11797/TDX262 http://hdl.handle.net/10803/8479 |
| Access Level: | acceso abierto |
| Palabra clave: | 621.3 - Enginyeria elèctrica. Electrotècnia. Telecomunicacions |
| Sumario: | The present Communications Age requires more and more efficient devices in terms of speed, consumption and size for the treatment of information. Nanoscale photonic crystal devices and anisotropic materials is expected to provide a possibility to create electro-optical devices with required characteristics such us tunability. In this work we have analyzed and designed several tunable one-dimensional (1D), two-dimensional (2D) and three-dimensional (3D) devices based on silicon photonic crystals and liquid crystal. In the case of 1D photonic crystals, two optical equalizers based on Fabry-Perot interferometers have been proposed. These devices allow tuning 2 resonances in frequencies and transmission amplitudes. As for 2D photonic crystals, tunable filters and waveguides have been analyzed, offering both applications as optical switches. Finally, we have developed an approach for the analysis of 3D photonic crystals. The presence of reflection peaks in high frequencies has been explained by this approach and 3 experimental samples were analyzed. |
|---|