{"id":56312,"date":"2018-03-09T22:44:04","date_gmt":"2018-03-09T22:44:04","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/photonic-logic-gates-boosting-all-optical-header-processing-in-future-packet-switched-networks\/"},"modified":"2018-03-09T22:44:04","modified_gmt":"2018-03-09T22:44:04","slug":"photonic-logic-gates-boosting-all-optical-header-processing-in-future-packet-switched-networks","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/tecnologia-de-las-telecomunicaciones\/photonic-logic-gates-boosting-all-optical-header-processing-in-future-packet-switched-networks\/","title":{"rendered":"Photonic logic-gates: boosting all-optical header processing in future packet-switched networks"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Josep Manuel Martinez Canet <\/strong><\/h2>\n<p>Las redes \u00f3pticas de paquetes se han convertido en los \u00faltimos a\u00f1os en uno de los temas de vanguardia en el campo de las tecnolog\u00edas de comunicaciones. El procesado de cabeceras es una de las funciones m\u00e1s importantes que se llevan a cabo en nodos intermedios, donde un paquete debe ser encaminado a su destino correspondiente. El uso de tecnolog\u00eda completamente \u00f3ptica para las funciones de encaminamiento y reconocimiento de cabeceras reduce el retardo de procesado respecto al procesado el\u00e9ctrico, disminuyendo de ese modo la latencia en el enlace de comunicaciones.   existen diferentes m\u00e9todos de procesado de datos para implementar el reconocimiento de cabeceras. El objetivo de este trabajo es la propuesta de una nueva arquitectura para el procesado de cabeceras basado en el uso de puertas l\u00f3gicas completamente \u00f3pticas. Estas arquitecturas tienen como elemento clave el interfer\u00f3metro mach-zehnder basado en el amplificador \u00f3ptico de semiconductor (soa-mzi), y utilizan el efecto no lineal de modulaci\u00f3n cruzada de fase (xpm) en los soas para realizar dicha funcionalidad. La estructura soa-mzi con xpm es una de las alternativas m\u00e1s atractivas debido a las numerosas ventajas que presenta, como por ejemplo los requisitos de baja energ\u00eda para las se\u00f1ales de entrada, su dise\u00f1o compacto, una elevada relaci\u00f3n de extinci\u00f3n (er), regeneraci\u00f3n de la se\u00f1al y el bajo nivel de chirp que introducen.  este trabajo se ha centrado en la implementaci\u00f3n de la funcionalidad l\u00f3gica xor. Mediante esta funci\u00f3n se pueden realizar diversas funcionalidades en las redes \u00f3pticas. Se proponen dos esquemas para el reconocimiento de cabeceras basados en el uso de la puerta xor. El primer esquema utiliza puertas en cascada. El segundo esquema presenta una arquitectura muy escalable, y se basa en el uso de un bucle de realimentaci\u00f3n implementado a la salida de la puerta.  asimismo, tambi\u00e9n se presentan algunas aplicaciones del procesado de cabeceras para el encaminamien<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Photonic logic-gates: boosting all-optical header processing in future packet-switched networks<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Photonic logic-gates: boosting all-optical header processing in future packet-switched networks <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Josep Manuel Martinez Canet <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de Valencia<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 19\/12\/2006<\/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>Francisco Ramos Pascual<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: javier Mart\u00ed sendra <\/li>\n<li>pablo Villanueva holm-nielsen (vocal)<\/li>\n<li>douglas Maxwell graeme (vocal)<\/li>\n<li> Dorren  harmen joseph sebastiaan (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Josep Manuel Martinez Canet Las redes \u00f3pticas de paquetes se han convertido en los \u00faltimos a\u00f1os en [&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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