Now showing items 1-20 of 27

    • A 461 nm laser system for an ultracold strontium quantum gas experiment 

      Estarellas Perales, Antonio (Universitat Politècnica de Catalunya, 2021-09-09)
      Master thesis
      Open Access
      Covenantee:   Institut de Ciències Fotòniques (ICFO)
      In recent years, ultra-cold atomic gases have emerged as a novel platform for the study of quantum many-body systems. Exploiting these gases, it is possible to synthesize quantum matter of highly controllable properties ...
    • 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. ...
    • Automatic pattern detection on images for multiple-sensor calibration 

      Torras Estruch, Joan (Universitat Politècnica de Catalunya, 2021-09-10)
      Master thesis
      Restricted access - author's decision
      Covenantee:   Institut de Ciències Fotòniques (ICFO) / Universitat de Barcelona / Universitat Autònoma de Barcelona
      Sensor calibration can be done by identifying known points of interest of a calibration pattern into the intensity images captured with the sensor. If the same exact points are identified using multiple sensors, then ...
    • Characterization and phantom validation of a device for the bio-photonic imaging of the infant brain 

      Montesinos Jori, Alexia (Universitat Politècnica de Catalunya, 2023-01-23)
      Bachelor thesis
      Restricted access - confidentiality agreement
      Covenantee:   Institut de Ciències Fotòniques (ICFO)
    • Contraction strategies of Tensor Networks for Quantum Circuit simulations 

      Orta Terré, Marina (Universitat Politècnica de Catalunya, 2021-09-30)
      Master thesis
      Open Access
      Covenantee:   Barcelona Supercomputing Center / Universitat de Barcelona / Universitat Autònoma de Barcelona / Institut de Ciències Fotòniques (ICFO)
      In the last years, the classical simulation of quantum systems is growing as a good approach to provide effcient approximations to quantum computers that are in the way of reaching quantum supremacy. An effcient way of ...
    • Design and optimization of Photonic Systems for Microwave Applications 

      Nuño Gómez, Daniel-Juan (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 ...
    • Influence of SnO2 layer and thickness of BiVO4 photoanodes for photoelectrochemical water splitting 

      Gerónimo Gómez, Laura (Universitat Politècnica de Catalunya, 2022-09-06)
      Master thesis
      Open Access
      Covenantee:   Institut de Ciències Fotòniques (ICFO)
      Bismuth vanadate has attracted much attention as one of the most promising materials for photoelectrochemical (PEC) water splitting. This Master Thesis is aimed at understanding BiVO4 films growth to use it as photoanodes. ...
    • Non-invasive and fast molecular imaging of biological tissues by Raman spectroscopy 

      Ruiz González, José Javier (Universitat Politècnica de Catalunya, 2019-06)
      Bachelor thesis
      Restricted access - confidentiality agreement
      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, ...
    • Object detection and tracking for thermal images 

      Estévez García, Armando (Universitat Politècnica de Catalunya, 2021-09-10)
      Master thesis
      Restricted access - confidentiality agreement
      Covenantee:   Institut de Ciències Fotòniques (ICFO) / Universitat de Barcelona / Universitat Autònoma de Barcelona
    • 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 super-resolution techniques for 3D profilometry 

      Zhukova, Olena (Universitat Politècnica de Catalunya, 2021-09-01)
      Master thesis
      Open Access
      Covenantee:   Institut de Ciències Fotòniques (ICFO) / Universitat de Barcelona / Universitat Autònoma de Barcelona
      The resolution of conventional 3D optical profilometers is limited by diffraction, characterized by the numerical aperture (NA) of the objective and the wavelength of the light source used for imaging. To resolve structures ...
    • 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 ...
    • Optimizing the coupling of light to plasmons through engineered dipolar scatterers 

      Abdullah, Saad (Universitat Politècnica de Catalunya, 2021-08-30)
      Master thesis
      Restricted access - author's decision
      Covenantee:   Institut de Ciències Fotòniques (ICFO) / Universitat de Barcelona / Universitat Autònoma de Barcelona
      Surface polaritons are key elements in multiple applications within the field of nanopho- tonics because of their ability to concentrate electromagnetic energy down to length scales comparable to the wavelength λ0 of ...
    • 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 ...
    • Progress towards a model for the propagation of light in turbid media with irregular particles 

      Perez Poncelas, Miriam (Universitat Politècnica de Catalunya, 2021-10-21)
      Master thesis
      Open Access
      Covenantee:   Institut de Ciències Fotòniques (ICFO) / Universitat Autònoma de Barcelona / Universitat de Barcelona
      Literature on the propagation of light in turbid media has been thoroughly explored, so an existing visible radiometric propagation model based on Mie theory is improved, and it implies a progress towards a model for the ...