{"id":27567,"date":"2003-12-12T00:00:00","date_gmt":"2003-12-12T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/aplicaciones-de-los-moduladores-de-electroabsorcion-en-sistemas-radio-sobre-fibra\/"},"modified":"2003-12-12T00:00:00","modified_gmt":"2003-12-12T00:00:00","slug":"aplicaciones-de-los-moduladores-de-electroabsorcion-en-sistemas-radio-sobre-fibra","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/politecnica-de-valencia\/aplicaciones-de-los-moduladores-de-electroabsorcion-en-sistemas-radio-sobre-fibra\/","title":{"rendered":"Aplicaciones de los moduladores de electroabsorci\u00f3n en sistemas radio sobre fibra"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Valent\u00edn Polo Ram\u00edrez <\/strong><\/h2>\n<p>Esta tesis doctoral se enmarca dentro del campo de investigaci\u00f3n de los sistemas radio sobre fibra \u00f3ptica, sistemas de comunicaciones en los que utilizando dispositivos opto-electr\u00f3nicos se transmite o procesa una se\u00f1al el\u00e9ctrica o de radiofrecuencia, evitando la necesidad de digitalizar se\u00f1ales el\u00e9ctricas.  esto soluciona muchos de los incovenientes y cuellos de botella existentes en los sistemas puramente el\u00e9ctricos\/electr\u00f3nicos utilizados habitualmente, como ancho de banda limitado, altas p\u00e9rdidas de transmisici\u00f3n, susceptibilidad a interferencias electromagn\u00e9ticas, peso y tama\u00f1o elevado, consumo alto de potencia, etc.  en esta tesis doctoral se proponen y estudian aplicaciones de los moduladores de electroabsorci\u00f3n (eam) en enlaces y sistemas radio sobre fibra \u00f3ptica. los ema presentan diversas ventajas frente a otro tipo de moduladores como son baja tensi\u00f3n de polarizaci\u00f3n, independencia de la polarizaci\u00f3n del campo de entrada, relaciones de extinci\u00f3n elevadas, y, sobre todo, la posibilidad de integraci\u00f3n junto a otros dispositivos \u00f3pticos como l\u00e1seres o amplificadores de semiconductor.  tras estudiar y modelar el dispositivo base de la tesis doctoral, el modulador de electroabsorci\u00f3n, se han propuesto diferentes t\u00e9cnicas que permiten mejorar el rendimiento de los enlaces anal\u00f3gicos por fibra \u00f3ptica y realizar funciones avanzadas de procesado fot\u00f3nico de se\u00f1ales el\u00e9ctricas.  en primer lugar se presenta una t\u00e9cnica que permite compensar el efecto de supresi\u00f3n de portadora producido por la dispersi\u00f3n crom\u00e1tica de la fibra, variando el punto de polarizaci\u00f3n del modulador. Este efecto consiste en que, para ciertas combinaciones de frecuencia y longuitud del enlace, se producen nulos de transmisi\u00f3n. La t\u00e9cnica propuesta permite de forma sencilla aumentar el producto frecuencia por longitud del enlace. Se presentan resultados experimentales que confirman lo obtenido a partir de los desarrollos te\u00f3ric<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Aplicaciones de los moduladores de electroabsorci\u00f3n en sistemas radio sobre fibra<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Aplicaciones de los moduladores de electroabsorci\u00f3n en sistemas radio sobre fibra <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Valent\u00edn Polo Ram\u00edrez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de Valencia<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 12\/12\/2003<\/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: Jos\u00e9 Miguel Lopez higuera <\/li>\n<li>josep Prat gom\u00e1 (vocal)<\/li>\n<li>Juan  lu\u00eds Corral gonz\u00e1lez (vocal)<\/li>\n<li>pablo Acedo gallardo (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Valent\u00edn Polo Ram\u00edrez Esta tesis doctoral se enmarca dentro del campo de investigaci\u00f3n de los sistemas radio [&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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