Ara mostrant els elements 41-60 de 269

    Advanced single molecule fluorescent tools to reveal spatiotemporal multi-molecular interactions in living cells 

    Mateos Estévez, Nicolás (Data de defensa: 2023-04-28)

    (English) The spatiotemporal organisation and compartmentalisation of molecules in living cells is crucial to regulate cell function. Dysregulation in how molecules dynamically explore their environment and interact with ...

    Nanophotonics with charged particles 

    Giulio, Valerio di (Data de defensa: 2023-04-12)

    (English) Among the fundamental constituents of matter, charged particles such electrons and positrons are leading protagonists in physical phenomena associated with small (~ meV) and high (~ MeV) energy scales. For example, ...

    Solution-processed quantum dot infrared lasers 

    Taghipour, Nima (Data de defensa: 2023-03-21)

    (English) Colloidal semiconductors quantum dots (CQDs) have emerged as a promising solutionprocessed gain material that can be engineered via low-cost and scalable chemical techniques. Owing to quantum confinement, their ...

    Attosecond soft X-ray absorption revealing the ultrafast non-adiabatic dynamics of furan 

    Severino, Stefano (Data de defensa: 2023-03-13)

    (English) One of the fundamental goals of the physical chemistry community has always been to be able to follow the details of the evolution of chemical reactions in real-time. Besides the extreme temporal resolution ...

    Eco-friendly solar cells with cation-engineered AgBiS2 nanocrystals 

    Wang, Yongjie (Data de defensa: 2023-02-23)

    (English) Climate change and global energy demand urge the development of renewable energy sources for worldwide power supply. Photovoltaic devices that convert solar energy directly into electricity are the most promising, ...

    Environmentally-friendly perovskite nanocrystals based on titanium and tin 

    Liga, Shanti Maria (Data de defensa: 2023-03-22)

    (English) The availability of energy is a fundamental ingredient for the development of society. However, the intense consumption of fossil fuels as an energy resource since the second industrial revolution has caused a ...

    Fluorescence quantum yield and the open circuit voltage in perovskite solar cells 

    Kramarenko, Mariia (Data de defensa: 2023-03-24)

    (English) To mitigate the energy and climate crisis we are already facing and address the increasing energy consumption, it is essential to foster energy transition strategies. The energy transition success largely depends ...

    Multiple light scattering in atomic media : from metasurfaces to the ultimate refractive index 

    Andreoli, Francesco (Data de defensa: 2023-03-23)

    (English) Our ability to confine, guide, and bend light has led to astonishing technological achievements, playing a fundamental role in diverse fields like microscopy, photochemistry, telecommunications or material design. ...

    Graphene based optical interconnects and IR photodetectors 

    Agarwal, Hitesh (Data de defensa: 2023-01-23)

    (English) Despite the extensive research in the semiconductor industry, Moore’s law is finally slowing down due to increased complexity. Hence, intense efforts are being carried out to explore hybrid solutions by adding ...

    Mid-infrared surface sensing based ontTwo-dimensional materials 

    Bareza, Nestor Jr. (Data de defensa: 2022-11-07)

    (English) Mid-infrared (mid-IR) spectroscopy in the wavelength region between 2 and 20 µm is a powerful technique to identify vibrational absorption signatures of molecules, finding in this way extensive applications in ...

    Raman dressed Bose-Einstein condensates with tunable interactions: topological gauge theories and supersolids 

    Chisholm, Craig Sterling (Data de defensa: 2023-06-19)

    (English) The exquisite control available in atomic ultracold quantum gases experiments makes them an ideal candidate for quantum simulation of diverse topics ranging from high energy physics and analogue quantum gravity ...

    Quantum-enhanced imaging with SPAD array cameras 

    Camphausen, Robin (Data de defensa: 2023-04-12)

    (English) Entangled photon pairs can enhance optical imaging capabilities. Phase imaging allows detecting fine detail of transparent samples without potentially invasive fluorescent labelling, and here entanglement enables ...

    Investigating quantum many-body systems with tensor networks, machine learning and quantum computers 

    Kottmann, Korbinian Gebhard (Data de defensa: 2022-10-14)

    (English) We perform quantum simulation on classical and quantum computers and set up a machine learning framework in which we can map out phase diagrams of known and unknown quantum many-body systems in an unsupervised ...

    Contributions to nanophotonics: linear, nonlinear and quantum phenomena 

    Roque Fernández, Pablo Manuel de (Data de defensa: 2022-10-18)

    (English) Nanophotonics can be defined as the science and technology studying the control optical fields at the nanoscale and their interaction with matter. In order to spatially control such fields we would need structures ...

    Resource theories of quantum dynamics 

    Hsieh, Chung Yun (Data de defensa: 2022-10-10)

    (English) As one of our most successful theories, quantum theory has greatly strengthened our understanding of nature and significantly advanced technologies. Specifically, quantum effects provide advantages in a broad ...

    Squeezed-ligh-enhanced magnetometry in a high density atomic vapor 

    Troullinou, Charikleia (Data de defensa: 2022-09-29)

    (English) This thesis describes experiments that employ squeezed light to improve the performance of a sensitive optically-pumped magnetometer (OPM). The squeezed light source employs parametric amplification of vacuum ...

    Quantum many-body physics with ultracold atoms and molecules: exact dynamics and machine learning 

    Dawid Lekowska, Anna Maria (Data de defensa: 2022-09-20)

    (English) Quantum many-body physics poses a substantial computational challenge resulting from the exponential growth of the wave function complexity and many non-trivial correlations encoded in it. Studying many-body ...

    Synthetic quantum matter using atoms and light 

    Argüello-Luengo, Javier (Data de defensa: 2022-10-21)

    Atomic and optical physics are two fields closely connected by a shared range of energy scales, and the interactions between them. Atoms represent the most fundamental components of matter, and interactions with electromagnetic ...

    Laser-induced electron interferences from atoms and molecules 

    Sánchez, Aurelien (Data de defensa: 2022-07-25)

    Since discovering wave-particle duality, science has changed our perception of light and matter, especially at the subatomic level. Thanks to such discoveries, we have been able to develop and expand our scientific knowledge ...

    Development of novel multimodal light-sheet fluorescence microscopes for in-vivo imaging of vertebrate organisms 

    Bernardello, Matteo (Data de defensa: 2022-06-14)

    The observation of biological processes in their native environments is of critical importance for life science. While substantial information can be derived from the examination of in-vitro biological samples, in-vivo ...