{"id":60245,"date":"2018-03-09T22:48:04","date_gmt":"2018-03-09T22:48:04","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/high-speed-optical-signal-processing-in-photonic-network-nodes\/"},"modified":"2018-03-09T22:48:04","modified_gmt":"2018-03-09T22:48:04","slug":"high-speed-optical-signal-processing-in-photonic-network-nodes","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/optica\/high-speed-optical-signal-processing-in-photonic-network-nodes\/","title":{"rendered":"High-speed optical signal processing in photonic network nodes"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Karsten Schulze <\/strong><\/h2>\n<p>Durante a\u00f1os, el ancho de banda ofrecido por las redes \u00f3pticas ha aumentado continuamente gracias a t\u00e9cnicas como otdm y dwdm (optical time-division multiplexing y dense wavelength-division multiplexing) que aprovechan m\u00e1s eficientemente el ancho de banda de la fibra. Las redes de larga y media distancia se interconectan mediante nodos \u00f3pticos, los cuales realizan funciones como filtrado, regeneraci\u00f3n, conmutaci\u00f3n, conversi\u00f3n en longitud de onda o demultiplexaci\u00f3n en el tiempo, aumentando as\u00ed la escalabilidad y la eficiencia de la red.   este trabajo est\u00e1 centrado en dos de estas funcionalidades: la conversi\u00f3n en longitud de onda y la demultiplexaci\u00f3n en el tiempo. En cuanto a la conversi\u00f3n en longitud de onda se estudian mediante simulaciones y experimentalmente tres t\u00e9cnicas basadas en efectos nolineales. En primer lugar se estudia la eficiencia del efecto de mezclado de cuatro ondas (four-wave mixing, fwm) y su dependencia con ciertos par\u00e1metros del sistema (potencia de datos y de control, separaci\u00f3n de las longitudes de onda) cuando este efecto se excita tanto en una fibra como en un amplificador de semiconductor (semiconductor optical amplifier, soa). Tambi\u00e9n se estudia la influencia del filtro de salida al utilizar el efecto de modulaci\u00f3n cruzada de fase (cross-phase modulation, xpm) en fibra para realizar la conversi\u00f3n de longitud de onda.   en la segunda parte se estudian dos configuraciones de demultiplexaci\u00f3n basadas en un nolm (nonlinear optical loop mirror) y en un conmutador kerr, con una se\u00f1al dpsk (differential phase shift keying) en la entrada. Adem\u00e1s, el demultiplexor nolm se utiliza en el receptor de un experimento de transmisi\u00f3n a altas velocidades. Tambi\u00e9n se demuestra experimentalmente la aplicaci\u00f3n del demultiplexor kerr como conmutador de adici\u00f3n y extracci\u00f3n de un canal otdm<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>High-speed optical signal processing in photonic network nodes<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 High-speed optical signal processing in photonic network nodes <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Karsten Schulze <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de Valencia<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 26\/07\/2007<\/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>dimitrios Klonidis (vocal)<\/li>\n<li>Antonio Texeira (vocal)<\/li>\n<li>martin Nordal petersen (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Karsten Schulze Durante a\u00f1os, el ancho de banda ofrecido por las redes \u00f3pticas ha aumentado continuamente gracias [&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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