Simonetto, Matías (2019) Bases para el diseño y caracterización de láseres de cascada cuántica en el infrarrojo medio / Groundwork for the design and characterization of quantum cascade lasers in the mid-infrared. Maestría en Ciencias Físicas, Universidad Nacional de Cuyo, Instituto Balseiro.
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Resumen en español
El el presente trabajo se analizo en profundidad el calculo de estados electrónicos en heteroestructuras utilizando el método de la función envolvente. Dos modelos que resultan adecuados para el diseño de los estados electrónicos de un láser de cascada cuántica fueron extraídos de tal análisis para ser implementados computacionalmente. La implementación fue realizada utilizando el método de diferencias finitas. Adicionalmente, se implemento también el método iterativo de Schrödinger-Poisson para el calculo de heteroestructuras dopadas. Por otro lado, se estudiaron espectros de fotoluminiscencia a distintas temperaturas de heteroestructuras de pozos simples aislados y de pozos acoplados. Las energías de transición obtenidas de estos espectros fue contrastada con los datos de las simulaciones. Por ultimo, se logro realizar la primer medición en el ámbito del Laboratorio de Fotónica y Optoelectrónica de espectros de fotoluminiscencia con campo eléctrico externo aplicado.
| Tipo de objeto: | Tesis (Maestría en Ciencias Físicas) |
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| Palabras Clave: | Photoluminencence; Fotoluminiscencia; [Quantum cascade laser, Láser de cascada cuántica; Envelope function; Función envolvente; Heterostructure; Heteroestructuras; Electronic states; Estados electrónicos; Finite difference; Diferencias finitas] |
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| Materias: | Física > Fotónica Física > Optoelectrónica |
| Divisiones: | Gcia. de área de Investigación y aplicaciones no nucleares > Gcia. de Física > Materia condensada > Laboratorio de fotónica y optoelectrónica |
| Código ID: | 885 |
| Depositado Por: | Tamara Cárcamo |
| Depositado En: | 28 Abr 2021 09:09 |
| Última Modificación: | 28 Abr 2021 09:09 |
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