Enviaments recents

  • High-power fiber-laser-pumped picosecond nonlinear optical sources from the near- to mid-infrared 

    Parsa, Shahrzad (Universitat Politècnica de Catalunya, 2018-07-24)
    Tesi
    Accés obert
    Ultrafast picosecond coherent sources in the near-to-mid-infrared (IR) spectral range are of great interest for a variety of applications such as pump-probe spectroscopy, remote sensing, photobiology and novel upconversion ...
  • Novel regimes of quantum optomechanics 

    Neumeier, Lukas (Universitat Politècnica de Catalunya, 2018-07-02)
    Tesi
    Accés obert
    In everyday life the impact of light on the motion of mechanical objects is negligible. However, modern experiments making use of high quality optical resonators are able to observe significant effects originating from the ...
  • Scalable techniques for graphene on glass 

    Marchena Martín-Francés, Miriam (Universitat Politècnica de Catalunya, 2018-06-14)
    Tesi
    Accés obert
    The combination of unique properties -high electrical mobility, thermal conductivity, transparency and mechanical flexibility- make graphene promising for a wide variety of applications, including transparent electrodes, ...
  • Quantum random number generators for industrial applications 

    Abellán Sánchez, Carlos (Universitat Politècnica de Catalunya, 2018-06-19)
    Tesi
    Accés obert
    Randomness is one of the most intriguing, inspiring and debated topics in the history of the world. It appears every time we wonder about our existence, about the way we are, e.g. Do we have free will? Is evolution a result ...
  • Single quantum emitter manipulation with 2D materials 

    Schädler, Kevin Gerd (Universitat Politècnica de Catalunya, 2018-05-22)
    Tesi
    Accés obert
    Photonics aims to manipulate light by controlling its interactions with matter to enable novel optical technologies for communication, information processing and sensing. Current efforts strive to enter the regime of quantum ...
  • Unravelling motor protein organization on lysosomal membranes with super-resolution microscopy 

    Cordier, Guillaume (Universitat Politècnica de Catalunya, 2018-04-03)
    Tesi
    Accés obert
    This thesis first develops new methods for high-throughput and multi-color super-resolution microscopy (Chapters 2 and 3). Subsequently, I apply these methods to study the organization of motor proteins on the lysosome ...
  • Simulating quantum measurements and quantum correlations 

    Guerini de Souza, Leonardo (Universitat Politècnica de Catalunya, 2018-01-29)
    Tesi
    Accés obert
    This PhD thesis is focused on the quantum measurement simulability problem, that is, deciding whether a given measurement can be simulated when only a restricted subset of measurements is accessible. We provide an operational ...
  • Spontaneous parametric down-conversion sources for generation of atom-resonant quantum light 

    Zielińska, Joanna Ada (Universitat Politècnica de Catalunya, 2018-03-19)
    Tesi
    Accés obert
    This thesis studies different designs of optical parametric oscillators as sources of atom-resonant quantum light resonant with the rubidium D1 line.We analyze the mode structure and filtering techniques in a conventional ...
  • Double resonant character in an optical cavity for high performance and stable polymer solar cells 

    Liu, Quan (Universitat Politècnica de Catalunya, 2018-03-23)
    Tesi
    Accés obert
    Solution-processed thin film solar cells emerged as very promising photovoltaic technologies suitable for a low cost roll-to-roll upscale production. Such thin film character also ensures lightweight and flexibility for ...
  • Novel methods for plasmonic nanoparticles imaging inside cells using dark-field microscopy 

    Rodríguez Fajardo, Valeria (Universitat Politècnica de Catalunya, 2018-02-22)
    Tesi
    Accés obert
    The potential impact of noble metal nanoparticles (NPs) in diverse fields, particularly medicine, is tremendous. However, before NPs can be routinely used in clinical practices, it is fundamental to comprehensively study ...
  • Electron re-collision dynamics in strong mid-IR fields for diffraction imaging of molecular structure and its fragmentation 

    Wolter, Benjamin (Universitat Politècnica de Catalunya, 2018-02-26)
    Tesi
    Accés obert
    One of the grand challenges of modern science is to image chemical reactions and biological functions while they are taking place. To realize these molecular movie, experimental techniques need to resolve the relevant ...
  • Superresolution fluorescence microscopy with structured illumination 

    Negash, Awoke (Universitat Politècnica de Catalunya, 2017-11-29)
    Tesi
    Accés obert
    The resolution of a conventional fluorescence microscope image is diffraction limited which achieves a spatial resolution of 200nm lateral and 500nm axial. Recently, many superresolution fluorescence microscopy techniques ...

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