{"id":74443,"date":"2005-09-06T00:00:00","date_gmt":"2005-09-06T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/coupling-techniques-between-dielectric-waveguides-and-planar-photonic-crystals\/"},"modified":"2005-09-06T00:00:00","modified_gmt":"2005-09-06T00:00:00","slug":"coupling-techniques-between-dielectric-waveguides-and-planar-photonic-crystals","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-tecnologicas\/coupling-techniques-between-dielectric-waveguides-and-planar-photonic-crystals\/","title":{"rendered":"Coupling techniques between dielectric waveguides and planar photonic crystals."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Pablo Sanchis Kilders <\/strong><\/h2>\n<p>El objetivo de esta tesis es la investigaci\u00f3n de estructuras y t\u00e9cnicas de acoplo para minimizar las p\u00e9rdidas de acoplo entre gu\u00edas diel\u00e9ctricas y cristales fot\u00f3nicos planares. En primer lugar se ha estudiado el modelado del acoplo entre gu\u00edas diel\u00e9ctricas y gu\u00edas en cristal fot\u00f3nico as\u00ed como la influencia de los principales par\u00e1metros del cristal en la eficiencia de acoplo. Se han obtenido expresiones cerradas para las matrices de reflexi\u00f3n y transmisi\u00f3n que caracterizan totalmente el scattering que ocurre en el interfaz formado entre una gu\u00eda diel\u00e9ctrica y una gu\u00eda en cristal fot\u00f3nico. a continuaci\u00f3n y con el fin de mejorar la eficiencia de acoplo desde gu\u00edas diel\u00e9ctrica de anchura arbitraria, se ha propuesto como contribuci\u00f3n original una t\u00e9cnica de acoplo basada en la introducci\u00f3n de defectos puntuales en el interior de una estructura de acoplo tipo cu\u00f1a realizada en el cristal fot\u00f3nico. Diferentes soluciones, incluida los algoritmos gen\u00e9ticos, han sido propuestas con el objetivo de conseguir el dise\u00f1o \u00f3ptimo de la configuraci\u00f3n de defectos. Una vez conseguido un acoplo eficiente desde gu\u00edas diel\u00e9ctricas a gu\u00edas en cristal fot\u00f3nico, se ha investigado el acoplo en gu\u00edas de cavidades acopladas. Como contribuci\u00f3n original se ha propuesto una t\u00e9cnica de acoplo basada en la variaci\u00f3n gradual del radio de los defectos situados entre cavidades adyacentes. Adem\u00e1s, se ha realizado un riguroso an\u00e1lisis en el dominio del tiempo y la frecuencia de la propagaci\u00f3n de pulsos en gu\u00edas acopladas de longitud finita. Dicho estudio ha tenido como objetivo la caracterizaci\u00f3n de la influencia de la eficiencia del acoplo en los par\u00e1metros del pulso. Finalmente, se han presentado los procesos de fabricaci\u00f3n y resultados experimentales de las estructuras de acoplo propuestas.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Coupling techniques between dielectric waveguides and planar photonic crystals.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Coupling techniques between dielectric waveguides and planar photonic crystals. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Pablo Sanchis Kilders <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de Valencia<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 09\/06\/2005<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Javier Mart\u00ed Sendra<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: jose Sanchez-dehesa moreno-cid <\/li>\n<li>pablo aitor Postigo resa (vocal)<\/li>\n<li>roel Baets (vocal)<\/li>\n<li>jordi Martorell pena (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Pablo Sanchis Kilders El objetivo de esta tesis es la investigaci\u00f3n de estructuras y t\u00e9cnicas de acoplo [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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