Browsing Programa de Doctorat en Fotònica by Subject "530.1"

A machine learning ride in the physics theme park: from quantum to biophysics

Requena Pozo, Borja (Date of defense: 2024-04-24)

(English) The integration of artificial intelligence into research is propelling progress and discoveries across the entire scientific landscape. Artificial intelligence tools boost the development of novel scientific ...

A strontium quantum-gas microscope

Höschele, Jonatan (Date of defense: 2024-04-29)

(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 ...

Bell nonlocality and causal networks

Boghiu Crihan, Emanuel-Cristian (Date of defense: 2024-07-09)

(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 ...

Certification in quantum information theory: key distribution, self-testing and entanglement

Balanzó Juandó, Maria (Date of defense: 2024-09-12)

(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 ...

Optimization and geometry for quantum information tasks

Abiuso, Paolo (Date of defense: 2022-12-12)

(English) In this thesis, we study the optimization of operational tasks that involve the manipulation of quantum resources. In most cases, such optimizations are aided by understanding the geometric properties of the ...

Quantum many-body approaches to non-conventional topological phases of matter

Fraxanet Morales, Joana (Date of defense: 2024-04-12)

(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 ...

Theoretical models for quantum simulators of novel materials and devices

Salamon, Tymoteusz Piotr (Date of defense: 2024-01-15)

(English) Over the past three decades, optically trapped ultra-cold atoms have served as a versatile platform for controlled exploration of numerous condensed matter phenomena. The successful fabrication of magic angle ...

Toward integrating continuous-variable quantum key distribution technology

Aldama Guardia, Jennifer Diana (Date of defense: 2023-12-20)

(English) Being able to secure confidential information is imperative in today’s society, but advancements in quantum technologies pose a potential threat. In response, researchers are developing technologies based on ...

Ultracold atoms in artificial gauge fields

Grass, Tobias (Date of defense: 2013-04-23)

The present thesis studies a variety of cold atomic systems in artificial gauge fields. In the first part we focus on fractional quantum Hall effects, asking whether interesting topological states can be realized with cold ...