Programa de Doctorat en Fotònica: Envíos recientes
Mostrando ítems 1-20 de 272
Certifying quantum resources in many-body systems from accessible observables
(English) This thesis primarily aims at developing reliable theoretical tools to certify the preparation of entangled states and other quantum correlations in many-body systems from accessible observables. In doing so, we ...
X-ray absorption fine structure with attosecond soft X-ray pulses for condensed matter physics
(English) Understanding electron behavior in solids and their interactions with the lattice is crucial for exploring exotic phenomena in condensed matter. Traditional techniques often provide limited insights, focusing on ...
A non-linear carbon nanotube mechanical resonator near the quantum ground state of motion
(English) This thesis describes the design, fabrication, and measurement of gate-defined quantum dots embedded in suspended carbon nanotubes. The mechanical vibrations of the nanotube couple strongly to the quantum dots ...
Quantum-gas microscopy of strontium Bose- and Fermi-Hubbard systems
(English) Ultracold atoms have proven to be a valuable asset to study and understand complex quantum many-body systems in a well-controlled setting. In particular, quantum-gas microscopes provide unprecedented access to ...
Advanced nanoantenna platforms for enhanced single-molecule detection at high concentrations
(English) The ability to study the dynamics of individual biomolecules is crucial to understanding the complex organization of biological systems beyond what can be learned from ensemble averages. These single-molecule ...
Use of advanced imaging tools for assessing the performance of novel therapeutic techniques for restoring vision
(English) Studying vision restoration is paramount for addressing degenerative blinding diseases, which significantly impact quality of life and public health. With more than 230M people worldwide affected by moderate to ...
Certification in quantum information theory: key distribution, self-testing and entanglement
(English) In the beginning of the last century, we witnessed a change of paradigm in how physics described the world with the formulation of quantum mechanics. This new theory shook the pillars of science by setting ...
Graphene based photodetectors for on-chip and free-space data communication applications
(English) Moore's law, a longstanding guide for the semiconductor industry, successfully predicted the exponential growth in computing power by doubling transistor counts every two years. However, recent challenges in ...
Introducing tools to quantify the performance of quantum computing algorithms and their applications
(English) In this thesis, I focused on introducing tools to quantify the performance of quantum computing algorithms and their applications. The main focus is on two of the most popular application areas of quantum computing, ...
Interactions and optical properties of microorganisms on surfaces
(English) Controlling microbial growth is essential to industries such as healthcare, food, pharmacy but also for ship hulls and water systems. Interactions of bacteria with surfaces are highly dynamic and complex. Once a ...
Bell nonlocality and causal networks
(English) Understanding the cause and effect relationships behind observed correlations is central to how we reason and interact with the world. Causal relationships help us make sense of the patterns we observe and predict ...
Classical and quantum simulation of quantum matter beyond symmetry breaking
(English) When matter is cooled to temperatures near absolute zero, its quantum nature begins to emerge. The interactions between its microscopic constituents can then lead to the emergence of fascinating physical properties. ...
New multi-modal neuroimaging approaches combining photonics and electrophysiology to study the basics of neurovascular coupling
(English) Brain is a crucial organ that controls all body functions. Its health is influenced by multiple factors, and any abnormality in them can negatively impact its smooth and seamless functioning, causing pathological ...
Probing magic-angle twisted bilayer graphene with monolithic gate-defined Josephson junctions
(English) In 2018, following a theoretical prediction from 2011, it was found that stacking two layers of graphene with a relative twist angle of 1.1° between them leads to multiple new properties. At this so-called magic ...
A strontium quantum-gas microscope
(English) The development of quantum-gas microscopes has revolutionized the field of quantum simulation with ultracold atoms. More specifically, their ability of direct observation and manipulation of degenerate quantum ...
Quantum many-body approaches to non-conventional topological phases of matter
(English) In recent years, the evolution of quantum technologies has resulted in an unprecedented control over individual quantum particles and many-body systems. This remarkable progress has given rise to a new era, marked ...
Transcranial diffuse optical measurements of pulsatility derived parameters for neuromonitoring applications
(English) Diffuse optics are non-invasive and continuous techniques using near-infrared light which allow for comfortable bed-site monitoring of microvascular cerebral hemodynamics, oxygenation and metabolism. Here, diffuse ...
Imaging and analytical tools to study the spatiotemporal dynamics of protein export
(English) Intracellular trafficking, particularly protein secretion, faces numerous unresolved challenges. This thesis aims to provide and evaluate tools for quantitative investigation of these processes using fluorescent ...
Optimization with spin glass models
(English) With applicability on almost every aspect of our lives, optimization problems are ubiquitous to a broad range of fields within both scientific research and industrial environments. As such, these are growing in ...
Nonlocal and nonlinear effects in nanophotonics
(English) The fundamental science and technological applications of light-matter interactions on nanometer length scales form the field of study known as nanophotonics. Explorations in nanophotonics expand our understanding ...
