Now showing items 1-20 of 62

    • A super frequency-shifter: enhancing the capabilities of acousto-optic modulators 

      Salazar Serrano, Luis José (Universitat Politècnica de Catalunya, 2012-09-06)
      Master thesis
      Open Access
      [ANGLÈS] We put forward a new scheme to enhance the capabilities of currently available acousto-optic frequency shifters (AOFS) by making use of the idea of weak value amplification. The key result of our approach is that ...
    • Analysis of a field conjugation adaptive array for coherent free-space optical links 

      Belmonte Molina, Aniceto; Kahn, Joseph M. (2010)
      Conference report
      Open Access
    • Atmospheric aerosol measurement with a network of advanced lidar instruments 

      Comerón Tejero, Adolfo; Sicard, Michaël; Rocadenbosch Burillo, Francisco; Muñoz Porcar, Constantino; Rodríguez Gómez, Alejandro Antonio; García Vizcaíno, David (2013-03-11)
      Article
      Restricted access - publisher's policy
      A European network of atmosphere sensors uses multi-wavelength elastic-Raman lidar instruments in its infrastructure.
    • Blind adaptation of channel-matched receivers in free-space coherent laser communication 

      Belmonte Molina, Aniceto; Kahn, Joseph M. (The Optical Society (OSA), 2012)
      Conference report
      Restricted access - publisher's policy
      Channel-matched adaptive coherent receivers are implemented using aperture arrays. As an alternative to training-based channel estimation, we analyze the performance of sequential techniques for blind adaptation of ...
    • Capacity of coherent free-space optical links ¿using diversity-combining techniques: errata 

      Belmonte Molina, Aniceto; Kahn, Joseph M. (2010-08-16)
      Article
      Open Access
    • Caracterización espacial de un microdisplay AMOLED verde 

      Azor Morón, Juan Antonio; Millán Garcia-Varela, M. Sagrario (Red Iberoamericana de Óptica (RIAO), 2019)
      Conference lecture
      Restricted access - publisher's policy
    • Characterisation of the Hamamatsu photomultipliers for the KM3NeT Neutrino Telescope 

      Aiello, S; Ameli, F; André, Michel; Anghinolfi, Marco; Anton, G.; Ardid Ramírez, Miguel; Avgitas, T.; Bertin, V.; Bormuth, R.; Bouwhuis, M.C.; Puricelli, Stefano; Cherubini, Silvio; Coniglione, R.; Mannheim, Karl; Morganti, Michele; Pellegrino, Carlo; Piattelli, P.; Real, Del; Santangelo, A; Sharma, Aniruddh; Trovato, A.; Zaborov, D.; Zúñiga Román, Juan (2018-05-01)
      Article
      Open Access
      The Hamamatsu R12199-02 3-inch photomultiplier tube is the photodetector chosen for the first phase of the KM3NeT neutrino telescope. About 7000 photomultipliers have been characterised for dark count rate, timing spread ...
    • Characterization of a push-pull membrane mirror for an astronomical adaptive-optics system 

      Barrera Verdejo, María (Universitat Politècnica de Catalunya, 2012-09-10)
      Master thesis
      Open Access
      [ANGLÈS] Oaxaca Project has the aim to provide the San Pedro Mártir telescope of Adaptive Optics images. Among the elements used in the setup for such aim, there is a Push-Pull deformable membrane mirror. Its introduction ...
    • Circuits de conversió optoelectrònica per a un bus de control per fibra òptica 

      Manuel Pastor, Sergi (Universitat Politècnica de Catalunya, 2007-07-13)
      Master thesis (pre-Bologna period)
      Restricted access - author's decision
      Este proyecto forma parte de un sistema Lidar en el cual tenemos la necesidad de enviar unas señales binarias de control para ajustar los valores de ganancia y offset de unos receptores. En un sistema de estas características ...
    • Closed-form expressions for the optimization of high speed electro-optical modulators 

      Ibarra Fusté, Jose Antonio; Santos Blanco, M. Concepción (2013-07)
      Article
      Restricted access - publisher's policy
      Compact closed-form mathematical expressions for the propagation parameters (characteristic impedance, effective permittivity and attenuation) of coplanar waveguides (CPW) are presented. The formulas take into account ...
    • Concepción, simulación y optimización de dispositivos desplazadores de longitud de onda reflexivos para redes de acceso por fibra óptica (FTTH) 

      Parra Figarella, Mario Simón (Universitat Politècnica de Catalunya, 2013-03-01)
      Master thesis (pre-Bologna period)
      120 months embargo
      [ANGLÊS] This project presents the design, simulation and optimization of reflective wavelength shifters circuits, with the idea of being implemented in the ONU of subscribers within a passive fiber access network (FTTH). ...
    • Deep-sea deployment of the KM3NeT neutrino telescope detection units by self-unrolling 

      Aiello, S; Albert, Andreas; Alves Garre, Sergio; Ameli, F; Anassontzis, E.G.; André, Michel; Androulakis, Giorgos; Anghinolfi, Marco; Anguita, M.; Anton, Gisela; Ardid Ramírez, Miguel; Aublin, J.; Bagatelas, Christos (2020-11-19)
      Article
      Open Access
      KM3NeT is a research infrastructure being installed in the deep Mediterranean Sea. It will house a neutrino telescope comprising hundreds of networked moorings—detection units or strings—equipped with optical instrumentation ...
    • Design and comparison of flipped active inductors with high quality factors 

      Saberkari, Alireza; Ziabakhsh, Soheil; Martínez García, Herminio; Alarcón Cot, Eduardo José (Institution of Electrical Engineers, 2014-05-19)
      Article
      Restricted access - publisher's policy
      A new design based on the flipped-structure for RF active inductors is presented. The conventional flipped-active inductor (FAI) composed of only two transistors is considered as a starting structure. However, it suffers ...
    • Design and construction of an operative tabletop lidar imager 

      Jordan Parra, Javier (Universitat Politècnica de Catalunya, 2019-09-09)
      Master thesis
      Restricted access - confidentiality agreement
    • Designing Graphene based Silicon Devices 

      Herranz Salazar, Francisco (Universitat Politècnica de Catalunya, 2016-02)
      Bachelor thesis
      Open Access
      The objective of the project is the design of new Graphene - Silicon devices for optical communications in future low energy consumption optical networks. For this design it will be used commercial software and MIT designing ...
    • Detection of graphene motion through light-matter interactions 

      Schädler, Kevin Gerd (Universitat Politècnica de Catalunya, 2012-09-06)
      Master thesis
      Open Access
      [ANGLÈS] In this thesis, we study both experimentally and theoretically the optical detection of the motion of graphene membranes based on fluorescence quenching of the emitters close to graphene. Fluorescence quenching ...
    • Development of a scalable, point-of-care and label free microarray platform for rapid detection of sepsis 

      Sendra Garcia, Joan (Universitat Politècnica de Catalunya, 2015-06-29)
      Bachelor thesis
      Restricted access - confidentiality agreement
    • Digital coherent receiver for orbital angular momentum demultiplexing 

      Belmonte Molina, Aniceto; Pérez Torres, Juan (2013-01-15)
      Article
      Open Access
      We put forward a type of receiver for coherent detection of the photon orbital angular momentum (OAM). A coherent array receiver, consisting of multiple subapertures, with each subaperture coupled to a single-mode fiber, ...
    • Dispositius electrònics i fotònics : fonaments 

      Prat Viñas, Lluís; Calderer Cardona, Josep (Edicions UPC, 2006)
      Book
      Restricted access to UB, UAB, UPC, UPF, UdG, UdL, URV, UOC, BC, UVic, UJI, URL, UIC users
      L'obra presenta els fonaments físics i tecnològics en què es basen els dispositius electrònics actuals (propietats elèctriques i òptiques dels semiconductors, junció PN, contactes metall-semiconductor i tecnologia de ...
    • Dispositivos electrónicos y fotónicos : fundamentos 

      Prat Viñas, Lluís; Calderer Cardona, Josep (Edicions UPC, 2006)
      Book
      Restricted access to the UPC academic community
      En este libro se presentan los fundamentos físicos y tecnológicos de los dispositivos electrónicos actuales (propiedades eléctricas y ópticas de los semiconductores, unión PN, contactos metal-semiconductor y tecnología de ...