Now showing items 21-40 of 65

  • Diseño de sistema de control de potencia y longitud de onda de un láser semiconductor 

    Muñoz Gómez, Carlos Rafael (Universitat Politècnica de Catalunya, 2016-10-14)
    Master thesis (pre-Bologna period)
    Open Access
  • Diseño de una PCB para la implementación de un receptor digital coherente basado en FPGA 

    Sales Llopis, Martí (Universitat Politècnica de Catalunya, 2013-07-15)
    Master thesis
    Open Access
    [ANGLÈS] This document describes the procedure that has been followed to design an electronic system which purpose of functionality is as a processing unit for a digital coherent receiver. Before the design was started, a ...
  • Dispositivos optoelectrónicos con grafeno para comunicaciones ópticas: guías ópticas de silicio y grafeno 

    Monpeat López, Salvador (Universitat Politècnica de Catalunya, 2017-05)
    Bachelor thesis
    60 months embargo
  • Disseny de dos circuits opto-electrònics desplaçadors de la longitud d'ona per xarxes d'accés per fibra òptica (FTTH) 

    Solé Sánchez, Víctor (Universitat Politècnica de Catalunya, 2012-11-21)
    Master thesis (pre-Bologna period)
    120 months embargo
    [ANGLÈS] In this work it is presented the design and simulation of two different opto-electronic circuits to perform a wavelength shifting at optical network units (ONU) of Fiber To The Home (FTTH) networks. This significantly ...
  • Disseny d'un circuit de RF per un circuit optoelectrònic i muntatge del xip en una plataforma de mesura 

    Mata Roca, Salvador (Universitat Politècnica de Catalunya, 2016)
    Master thesis (pre-Bologna period)
    Open Access
    Development of an RF circuit to 10GHz proeveer signals to an optoelectronic chip and chip mounting
  • Evaluation of the usage of LiFi for on-board applications 

    Melsión Pérez, Gaspar Isaac (Universitat Politècnica de Catalunya, 2017-05)
    Bachelor thesis
    120 months embargo
  • Experimental characterization of CMOS photonic devices 

    Gómez Gonzalvo, Alberto (Universitat Politècnica de Catalunya, 2016-10)
    Master thesis
    Open Access
    Covenantee:  Massachusetts Institute of Technology
    Current electrical interconnects in super-computers and high-performance processors present a bottleneck in terms of bandwidth and power consumption. A migration to the optical domain in order to cope with the connectivity ...
  • Fiber based comb generator for optical communications applications 

    Pascual Gracia, Álvaro José (Universitat Politècnica de Catalunya, 2016-07-22)
    Master thesis
    Restricted access - author's decision
    In the extensive high demanding field of optical communications there is constant research in flexible, efficient and stable light sources that are key components to accomplish the large demand of data traffic. In this ...
  • Graphene based devices for photonic networks 

    González Soto, Jaime (Universitat Politècnica de Catalunya, 2015-05)
    Master thesis (pre-Bologna period)
    Open Access
    The objective of this project is to apply graphene properties to a silicon waveguide ring resonator structure in order to design a reconfigurable optical filter. Taking that the refractive index of graphene under these ...
  • Graphene based laser 

    Rodríguez Suñé, Laura (Universitat Politècnica de Catalunya, 2017-07-05)
    Bachelor thesis
    Open Access
    Fiber lasers have a number of qualities which make them very attractive for short pulses generation (ns) via Q-switching and ultra-short pulse generation (ps) via active or passive mode locking mechanisms. The gain bandwidth ...
  • Graphene based laser dynamics and applications 

    Peralta Amores, Albert (Universitat Politècnica de Catalunya, 2017-07-07)
    Bachelor thesis
    Open Access
    Self-starting stretched-pulse operation in a Mode-locked Erbium fiber laser is demonstrated for both; Graphene Oxide and pure graphene Mode-lockers. The -3 dB spectral width is 36.8 nm. Pulse temporal width of 43.65 ps and ...
  • Graphene-based multimode interference device design for optical switching applications 

    T'jollyn, Servaas (Universitat Politècnica de Catalunya, 2018-08-27)
    Master thesis
    Open Access
    Covenantee:  Vrije Universiteit Brussel / Universiteit Gent
    The relatively small size and low energy consuming switching potential offered by graphene-based electro-optic and electro-absorption switches has attracted a lot of attention in the photonics community recently and there ...
  • Graphene enabled mode-locked lasers 

    Cao, Yue (Universitat Politècnica de Catalunya, 2017-08)
    Master thesis
    Restricted access - author's decision
    Covenantee:  Universiteit Gent
    In this project, it has been tried to design the model of a laser for a use related to obtaining images in the study of the migration of cells. It is intended that this serve as an option that offers an alternative that ...
  • Graphene-enabled Photonic Networks On-Chip 

    Hurtado Martínez, David (Universitat Politècnica de Catalunya, 2015-02)
    Bachelor thesis
    Restricted access - confidentiality agreement
  • Herramienta de simulación para enrutado en redes ópticas multiplexadas por longitud de onda 

    Campillo Ambrós, José (Universitat Politècnica de Catalunya, 2016-10)
    Master thesis (pre-Bologna period)
    Open Access
    This project is about the design and development of a software for modeling, designing and simulation optical fiber networks controlled by software (SDN) within the context of SUNSET Project, at the Department of Signal ...
  • IEEE 802.11a: Development and test of a SDN Transceiver 

    Barrera Castillo, Pablo Marc (Universitat Politècnica de Catalunya, 2018-05-10)
    Bachelor thesis
    Open Access
    Wireless and wired networks are converging. This project is focused on establishing the bases so that WiFi signals can be studied with which, in the future, smart vehicles will be worked on. \\The project will require the ...
  • Implementación de un transceiver con pulsos de Nyquist en Fpga mediante Simulink 

    García García, Daniel (Universitat Politècnica de Catalunya, 2017-01)
    Bachelor thesis
    Open Access
    Nowadays, the high demand of data on communication systems has made essential the optimization of resources, especially in terms of spectral efficiency and responsible use of the network installation. In this thesis, a ...
  • Implementación de un transponder 64QAM en FPGA mediante Simulink 

    Alonso Varela, Marc (Universitat Politècnica de Catalunya, 2016-09)
    Bachelor thesis
    Open Access
    The current evolution of communication systems has been driven by the high demand of resources that are needed to satisfy services which are dependent of the network. To contain the high requirements of current and emerging ...
  • Implementación FPGA de un transmisor de pulsos Nyquist 

    Fernández Cuenca, Daniel (Universitat Politècnica de Catalunya, 2016)
    Master thesis (pre-Bologna period)
    Open Access
  • Implementation of a half-duplex visible light communication link 

    Torner Tarrés, Miquel (Universitat Politècnica de Catalunya, 2015-02)
    Bachelor thesis
    Open Access
    [ANGLÈS] This thesis consists in the design and implementation of a Visible Light Communications (VLC) system, based on an Arduino platform. The document describes the main features of this system, by describing how each ...