Enviaments recents

  • Light management in non-Hermitian systems 

    Ahmed, Waqas Waseem (Universitat Politècnica de Catalunya, 2018-04-17)
    Tesi
    Accés obert
    The quest for new artificial structures and materials uncovers novel new light-matter interactions, and intriguing physical phenomena. Since the late 80’s purely dielectric materials have been structured, at the wavelength-scale, ...
  • Neutronics analysis and thermodynamics studies of several DEMO breeding blankets for the development of the AINA safety code 

    Fabbri, Marco (Universitat Politècnica de Catalunya, 2018-04-05)
    Tesi
    Accés obert
    By 2050 the energy consumption is expected to increase considerably.The production might be mostly based on renewable energy mix driven by the nuclear fusion which could potentially deliver continuous, large-scale power ...
  • Desarrollo y aplicación de herramientas de valoración de riesgos tecnológicos en centrales nucleares españolas a partir de la técnica de "Análisis Probabilista de Seguridad" 

    Díaz Bayona, Pedro (Universitat Politècnica de Catalunya, 2018-04-06)
    Tesi
    Accés obert
    The PhD thesis "Desarrollo y aplicación de herramientas de valoración de riesgos tecnológicos en centrales nucleares españolas a partir de la técnica de Análisis Probabilista de Seguridad” results from the research projects ...
  • Second harmonic generation in disordered nonlinear crystals : application to ultra-short laser pulse characterization 

    Wang, Bingxia (Universitat Politècnica de Catalunya, 2017-10-10)
    Tesi
    Accés obert
    The PhD project, entitled "Second harmonic generation in disordered nonlinear crystals: application to ultra-short laser pulse characterization", is devoted to the study of second harmonic generation in nonlinear ferroelectric ...
  • Solid-state studies on C60 solvates 

    Ye, Jin (Universitat Politècnica de Catalunya, 2017-11-23)
    Tesi
    Accés obert
    This thesis focuses on the thermodynamic and crystallographic characterization of C60 solvates formed with small organic molecules (CBr2(CH3)2, CBr2Cl2, CBr2H2, CBrCl2H and CBrClH2) Chapter I provides an introduction ...
  • Ultrafast quantum control of atoms and molecules : a density matrix approach 

    Afa, Iduabo John (Universitat Politècnica de Catalunya, 2018-01-24)
    Tesi
    Accés obert
    Control is important for transferring theoretical scientific knowledge into practical technology for applications in numerous fields. This is why coherent control study is significant on every timescale to have a complete ...
  • A Monte Carlo approach to statics and dynamics of quantum fluids 

    Ferré Porta, Guillem (Universitat Politècnica de Catalunya, 2017-09-16)
    Tesi
    Accés obert
    The main objective of the thesis is to study static and/or dynamic properties of a set of quantum fluids by means of quantum Monte Carlo techniques, mainly using the path integral formalism to obtain results both at zero ...
  • Suppression and control of modulation instability 

    Kumar, Shubham (Universitat Politècnica de Catalunya, 2017-06-21)
    Tesi
    Accés obert
    Dynamical instabilities which lead to spontaneous pattern formation are present in a wide variety of nonlinear dynamical systems, both in nature as well as in technological areas. The instabilities may be saturating, leading ...
  • Light beam propagation in complex crystals 

    Kumar, Nikhil P. (Universitat Politècnica de Catalunya, 2017-07-13)
    Tesi
    Accés obert
    Recent advancement in Photonics have brought about a new era of miniaturisation. Along came a need for technology to allow the manipulation of light at the micrometer scale, with precise control over beam propagation. The ...
  • Temporal correlations and dynamical transitions in semiconductor lasers with optical feedback 

    Quintero Quiroz, Carlos Alberto (Universitat Politècnica de Catalunya, 2017-03-16)
    Tesi
    Accés obert
    Optical excitable systems that mimic neuronal behavior have potential to be building-blocks of novel, ultra-fast, neuron-inspired photonic information processing systems. In particular, semiconductor lasers with optical ...
  • Electronic & ionic conduction & correlated dielectric relaxations in molecular solids 

    Zachariah, Manesh (Universitat Politècnica de Catalunya, 2016-11-17)
    Tesi
    Accés obert
    The study of crystalline materials has played a prominent role in solid state physics, whose basic theories were formulated for crystalline matter. However, disordered materials are more abundant in nature than crystalline ...
  • Dynamic stochastic modeling for inertial sensors 

    Wis Gil, Mariano (Universitat Politècnica de Catalunya, 2016-11-02)
    Tesi
    Accés obert
    Es ampliamente conocido que los modelos de error para sensores inerciales tienen dos componentes: El primero es un componente determinista que normalmente es calibrado por el fabricante en el firmware de la IMU. El segundo ...

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