Now showing items 1-13 of 13

    • Applications of a quantum random number generator to simulations in condense matter physics 

      Guigó Corominas, Guillem (Universitat Politècnica de Catalunya, 2018-10-15)
      Master thesis
      Open Access
      Covenantee:   Institut de Ciències Fotòniques (ICFO)
      We study the importance of the quality of random numbers in Monte Carlo simulations of 2D Ising systems. Simulations are carried out at critical temperature to find the dynamic scaling law of the linear relaxation time. ...
    • Design and optimization of Photonic Systems for Microwave Applications 

      Nuño Gomez, Daniel (Universitat Politècnica de Catalunya, 2017-09-07)
      Master thesis
      Open Access
      Covenantee:   Institut de Ciències Fotòniques (ICFO) / Universitat de Barcelona / Universitat Autònoma de Barcelona
      Extensively researched in the last years, the Microwave Photonics Technology field has a number of potential advantages including extremely wide bandwidth, very low frequency constant losses, light weight, immunity to EMI ...
    • Development of a fluorescence imaging system for a quantum gas experiment 

      Sanz Sánchez, Julio (Universitat Politècnica de Catalunya, 2015-09-10)
      Master thesis
      Open Access
      Covenantee:   Universitat Autònoma de Barcelona / Institut de Ciències Fotòniques (ICFO) / Universitat de Barcelona
      In this report we present a technique for imaging the momentum distribution of an ultracold atomic gas in 3D and with single atom resolution. We describe the first experimental steps taken to implement it in a quantum gas ...
    • Early detection of biofilms using low-cost polymeric optical Lab-on-a-chip 

      Antúnez Vallès, Bernat (Universitat Politècnica de Catalunya, 2015-09-09)
      Master thesis
      Open Access
      Covenantee:   Universitat Autònoma de Barcelona / Universitat de Barcelona / Institut de Ciències Fotòniques (ICFO)
      In surface colonization, microorganisms tend to form complex biological structures containing cells and adhesion molecules, called biofilms, which provide them with high stability and resistance to biocide compounds. These ...
    • Fast measurement of diffusing patterns and its parameterization 

      Turull Mallofré, Aina (Universitat Politècnica de Catalunya, 2016-09-08)
      Master thesis
      Open Access
      Covenantee:   Universitat de Barcelona / Universitat Autònoma de Barcelona / Institut de Ciències Fotòniques (ICFO)
      When light strikes on a diffuser surface a new energy redistribution is created. The diffusion patterns depends on the material of the diffuser and how light reach the diffuser. The aim of this project is to characterize ...
    • Non-invasive and fast molecular imaging of biological tissues by Raman spectroscopy 

      Ruiz González, José Javier (Universitat Politècnica de Catalunya, 2019-06)
      Bachelor thesis
      60 months embargo
      Covenantee:   Institut de Ciències Fotòniques (ICFO)
      Precise clinical diagnosis of skin tumours relies on biopsy and subsequent histopathologic examination, an invasive method which represents a difficult task for clinicians to decide when to biopsy or not. For this reason, ...
    • OLED feasibility study in the automotive sector 

      Zagastizábal Arnao, Kattia (Universitat Politècnica de Catalunya, 2015-07-28)
      Master thesis
      Open Access
      Covenantee:   Universitat Autònoma de Barcelona / Universitat de Barcelona / Institut de Ciències Fotòniques (ICFO)
      The aim of this study is to know the limits, advantages and disadvantages of the organic light emitting diodes (OLED) to be used as a lighting source in the gear shifter manufacturing. To do this we developed a prototype ...
    • Optical coherence tomography with a nonlinear interferometer 

      Sendra Molins, Lluc (Universitat Politècnica de Catalunya, 2018-07-17)
      Master thesis
      Open Access
      Covenantee:   Institut de Ciències Fotòniques (ICFO)
      We derive what is the signal and the sensitivity of a nonlinear interferometer (Mach-Zehnder or Michelson), that is a novel approach to perform Optical Coherence Tomography (OCT). The physical idea behind this goes back ...
    • Optical valves for lab-on-a-chip applications 

      Zabaco Natali, Oscar (Universitat Politècnica de Catalunya, 2015-07-17)
      Master thesis
      Open Access
      Covenantee:   Universitat Autònoma de Barcelona / Universitat de Barcelona / Institut de Ciències Fotòniques (ICFO)
      Point of care molecular diagnostics is a very promising field with an expected exponential demanding grow in the next years, but nowadays with very few successful cases from the industrial point of view. Among the different ...
    • Practical implementation of a continuous-variable quantum key distribution system 

      Hernández Aguirre, Leiza (Universitat Politècnica de Catalunya, 2018-06-26)
      Bachelor thesis
      Restricted access - author's decision
      Covenantee:   Institut de Ciències Fotòniques (ICFO)
      Quantum key distribution with continuous variables (CV-QKD) enables two parties to share a secret key by using coherent states of light and homodyne detection. This can be carried out by employing low-cost and mature ...
    • Precision of cavity-enhanced optical rotation measurements 

      Guimbao Gaspar, Joaquín (Universitat Politècnica de Catalunya, 2016-07-22)
      Master thesis
      Open Access
      Covenantee:   Institut de Ciències Fotòniques (ICFO)
      The signal to noise ratio in atomic magnetometry is fundamentally limited by the optical depth of the atomic ensemble. During the last decade, different technics for optical depth enhancement has been developed by several ...
    • Quantum Coherence and Quantum Correlations 

      Jiménez Machado, Gerard (Universitat Politècnica de Catalunya, 2017-07-09)
      Master thesis
      Open Access
      Covenantee:   Institut de Ciències Fotòniques (ICFO) / Universitat de Barcelona / Universitat Autònoma de Barcelona
      We demonstrate a new type of optical coherence tomography (OCT) scheme based on ideas put forward by Mandel's group in 1991, curiously the same year than the first OCT scheme was demonstrated. It involves the measurement ...
    • Ultra short laser pulse characterization device based on disordered nonlinear crystals 

      Cubero Gamito, Guillermo (Universitat Politècnica de Catalunya, 2017-10-27)
      Master thesis
      Open Access
      Covenantee:   Institut de Ciències Fotòniques (ICFO) / Universitat de Barcelona / Universitat Autònoma de Barcelona
      In this project we build and test a compact and portable optical device for ultrashort pulse characterization. This setup allows the measurement of the pulse duration as well as its chirp parameter by using the so called ...