Now showing items 81-100 of 260

    Hybrid diffuse optical neuromonitoring of cerebral haemodynamics: from the smallest premature born infants to adults 

    Giovannella, Martina (Date of defense: 2019-06-04)

    Hybrid diffuse optical devices allows for the non-invasive and continuous monitoring of the cerebral haemodynamics and metabolism. Such devices can be portable and are relatively inexpensive, therefore available at the ...

    Environmentally friendly nanocrystals synthesized and processed in ambient conditions for solution-processed solar cells 

    Akgul, M. Zafer (Date of defense: 2021-02-11)

    Due to the continuously increasing energy demand and the environmental concerns about climate changes raised by international community, alternative energy resources have been put under intense investigation for the past ...

    Hybrid diffuse optics for translational oncology and nanobiophotonics: towards a theranostic approach for emerging cancer therapies 

    Mireles Núñez, Miguel Adrián (Date of defense: 2018-10-24)

    A pre-clinical mouse model of human clear cell renal cell carcinoma (ccRCC) was employed as a method to study the prognostic and theranostic potential of two, non-invasive, deep tissue, diffuse optical techniques, namely ...

    Correlates of cerebral vasoreactivity measured by non-invasive diffuse optical measurements as biomarkers of brain injury risk 

    Gregori Pla, Clara (Date of defense: 2019-03-06)

    I have used and developed a practical new platform in the clinics for the noninvasive estimation of cerebral hemodynamics. The latform combines two diffuse optical techniques: near-infrared spectroscopy and diffuse ...

    A cold-atom approach to topological quantum matter across the energy scale 

    González Cuadra, Daniel (Date of defense: 2020-12-11)

    The outstanding progress achieved in the last decades to isolate and manipulate individual quantum systems has revolutionized the way in which quantum many-body phenomena, appearing across Nature's different energy scales, ...

    Development and study of novel mid-infrared frequency conversion sources 

    Nandy, Biplob Kumar (Date of defense: 2020-12-02)

    Tunable narrow-linewidth and broadband laser sources in the mid-infrared (mid-IR) wavelength range are extremely desirable in all time scales for their several useful applications in spectroscopy, imaging, optical communication ...

    Anomalous diffusion : from life to machines 

    Muñoz Gil, Gorka (Date of defense: 2020-11-09)

    Diffusion refers to numerous phenomena, by which particles and bodies of all kinds move throughout any kind of material, has emerged as one of the most prominent subjects in the study of complex systems. Motivated by the ...

    Discerning between thermal and electronic effects in plasmonenhanced organic reactions 

    Bordacchini, Ivan (Date of defense: 2020-10-30)

    Since the pioneering work of Fujishima and Honda on titanium dioxide, TiO2, for the electrochemical photolysis of water under ultraviolet (UV) irradiation, semiconductor-based photocatalysis and photovoltaics have become ...

    Novel planar photonic antennas to address the dynamic nanoarchitecture of biological membranes 

    Winkler, Pamina M. (Date of defense: 2020-11-27)

    The cell membrane is the encompassing protective shield of every cell and it is composed of a multitude of proteins, lipids and other molecules. The organization of the cell membrane is inextricably intertwined with its ...

    Nanoscale control of near-field interactions between single emitters and photonic antennas-on-probe 

    Sanz Paz, Maria (Date of defense: 2020-07-27)

    Photonic antennas are metallic (or dielectric) nanoscale structures that convert propagating light into highly confined fields, and vice versa, in analogy to common radio antennas but on nanometric scales that lead to ...

    Quantum multipartite entangled states, classical and quantum error correction 

    Raissi, Zahra (Date of defense: 2020-10-08)

    Studying entanglement is essential for our understanding of such diverse areas as high-energy physics, condensed matter physics, and quantum optics. Moreover, entanglement allows us to surpass classical physics and ...

    Spectral phase control of nanoscale nonlinear optical responses 

    Remesh, Vikas (Date of defense: 2020-06-08)

    The study of light-driven physical processes generated in nanomaterials require shorter (in time, or broader in frequency) laser pulses with techniques to tailor its phase and temporal/spectral characteristics at the ...

    Levitation and control of particles with internal degrees of freedom 

    Planes Conangla, Gerard (Date of defense: 2020-06-30)

    Levitodynamics is a fast growing field that studies the levitation and manipulation of micro- and nanoobjects, fuelled by both fundamental physics questions and technological applications. Due to the isolated nature of ...

    Imaging cytometry technology for environmental and biomedical applications 

    Pérez Rosas, Juan Miguel (Date of defense: 2020-07-28)

    Early detection of microorganisms in environmental and biomedical applications is critical for the effective response to potential pathogenic treats. Most traditional methods and instrumentation for the analysis of these ...

    Exploring quantum many-body systems from an entanglement and nonlocality perspective 

    Aloy López, Albert (Date of defense: 2020-07-16)

    Entanglement and non-local correlations give rise to unprecedented phenomena with no classical analogue. As a result, they have settled themselves as fundamental properties in the study of quantum many-body systems, as ...

    Investigations of topological phases for quasi-1D systems 

    Tirrito, Emanuele (Date of defense: 2020-07-13)

    For a long time, quantum states of matter have been successfully characterized by the Ginzburg-Landau formalism that was able to classify all different types of phase transitions. This view changed with the discovery of ...

    Novel continuous-wave infrared parametric sources and noise analysis of infrared upconversion detectors 

    Padhye, Anuja Arun (Date of defense: 2020-06-04)

    The ability to manipulate frequency of light, through parametric frequency conversion sources based on X(2) nonlinear materials, offers an effective route to spectral regions unapproachable by conventional lasers. Most ...

    Study of graphene hybrid heterostructures for linear and nonlinear optics 

    Alcaraz Iranzo, David (Date of defense: 2020-06-23)

    Graphene is the first of the 2D-material family. It is formed by carbon atoms arranged in a honeycomb lattice, which confers it intriguing physical properties that are still being discovered nowadays. A fundamental advantage ...

    Levitodynamics on-a-chip: from planar Paul traps to near-field optical nanocavities 

    Alda, Irene (Date of defense: 2020-07-09)

    The field of levitation optomechanics---or levitodynamics---studies the manipulation and control of small trapped objects in an isolated environment, providing a gateway to answer fundamental questions in physics and ...

    Development and application of localization-based microscopy methods to study the structure and dynamics of chromatin through the process of cellular differentiation 

    Gómez García, Pablo (Date of defense: 2020-04-24)

    Recent advancements in single-molecule localization-based microscopy have made it possible to visualize biological structures and dynamic processes within the cell with unprecedented spatial resolution. Determining the ...