Browsing by Contributor "Institut de Ciències Fotòniques (ICFO)"
Now showing items 1-20 of 42
-
A 461 nm laser system for an ultracold strontium quantum gas experiment
(Universitat Politècnica de Catalunya, 2021-09-09)
Master thesis
Open Access
Covenantee: Institut de Ciències Fotòniques (ICFO)In recent years, ultra-cold atomic gases have emerged as a novel platform for the study of quantum many-body systems. Exploiting these gases, it is possible to synthesize quantum matter of highly controllable properties ... -
A fast imaging Mueller matrix polarimeter for biomedical applications
(Universitat Politècnica de Catalunya, 2022-09-07)
Master thesis
Open Access
Covenantee: Universitat Autònoma de Barcelona / Institut de Ciències Fotòniques (ICFO) / Karlsruher Institut für TechnologieA Mueller Matrix Polarimeter is a device that measures the Mueller matrix of a sample, giving quantitative information on the change in the state of polarization light upon interaction with the sample. It measures the ... -
Absorption spectroscopy with quantum light: experimental and theoretical simulations based on arbitrary spectral shapes generated with a programable filter
(Universitat Politècnica de Catalunya, 2023-09-06)
Master thesis
Open Access
Covenantee: Institut de Ciències Fotòniques (ICFO)Absorption spectroscopy is a useful technique to detect the presence of specific elements in samples. However, its usefulness can be severely limited in certain frequency bands due to technological limitations, such as the ... -
Applications of a quantum random number generator to simulations in condense matter physics
(Universitat Politècnica de Catalunya, 2018-10-15)
Master thesis
Open Access
Covenantee: Institut de Ciències Fotòniques (ICFO)We study the importance of the quality of random numbers in Monte Carlo simulations of 2D Ising systems. Simulations are carried out at critical temperature to find the dynamic scaling law of the linear relaxation time. ... -
Automatic pattern detection on images for multiple-sensor calibration
(Universitat Politècnica de Catalunya, 2021-09-10)
Master thesis
Restricted access - author's decision
Covenantee: Institut de Ciències Fotòniques (ICFO) / Universitat de Barcelona / Universitat Autònoma de BarcelonaSensor calibration can be done by identifying known points of interest of a calibration pattern into the intensity images captured with the sensor. If the same exact points are identified using multiple sensors, then ... -
Building Plasmonic Crystals from Plasmonic Metamolecules
(Universitat Politècnica de Catalunya, 2021-09-09)
Master thesis
Open Access
Covenantee: Universitat de Barcelona / Universitat Autònoma de Barcelona / Institut de Ciències Fotòniques (ICFO)We present a theoretical and experimental analysis of the plasmon surface latticeresonances arising from gold nanoparticle assemblies. The metamolecules of the array arecomposed of colloidal gold nanoparticles and as the ... -
Characterization and optimization of a multi-channel, FPGA-based Time-to-Digital Converter
(Universitat Politècnica de Catalunya, 2023-09-06)
Master thesis
Open Access
Covenantee: Institut de Ciències Fotòniques (ICFO)High-resolution time measurement is a fundamental building block on a wide variety of applications such as time-of-flight based systems, single-photon microscopy and quantum communications. FPGA-based TDCs are the preferred ... -
Characterization and phantom validation of a device for the bio-photonic imaging of the infant brain
(Universitat Politècnica de Catalunya, 2023-01-23)
Bachelor thesis
Restricted access - confidentiality agreement
Covenantee: Institut de Ciències Fotòniques (ICFO) -
Comparison of simulated and characterised optical performance in precision optical systems: simulation and analysis focus
(Universitat Politècnica de Catalunya, 2023-09-08)
Master thesis
Restricted access - confidentiality agreement
Covenantee: Institut de Ciències Fotòniques (ICFO) / Universitat Autònoma de BarcelonaTo properly account for imperfections in fabrication of lenses and mechanics as well as optics alignment limitations, it is necessary to run a tolerance analysis during the optical design process. But it is often unclear ... -
Contraction strategies of Tensor Networks for Quantum Circuit simulations
(Universitat Politècnica de Catalunya, 2021-09-30)
Master thesis
Open Access
Covenantee: Barcelona Supercomputing Center / Universitat de Barcelona / Universitat Autònoma de Barcelona / Institut de Ciències Fotòniques (ICFO)In the last years, the classical simulation of quantum systems is growing as a good approach to provide effcient approximations to quantum computers that are in the way of reaching quantum supremacy. An effcient way of ... -
Design and optimization of Photonic Systems for Microwave Applications
(Universitat Politècnica de Catalunya, 2017-09-07)
Master thesis
Open Access
Covenantee: Institut de Ciències Fotòniques (ICFO) / Universitat de Barcelona / Universitat Autònoma de BarcelonaExtensively researched in the last years, the Microwave Photonics Technology field has a number of potential advantages including extremely wide bandwidth, very low frequency constant losses, light weight, immunity to EMI ... -
Development of a fluorescence imaging system for a quantum gas experiment
(Universitat Politècnica de Catalunya, 2015-09-10)
Master thesis
Open Access
Covenantee: Universitat Autònoma de Barcelona / Institut de Ciències Fotòniques (ICFO) / Universitat de BarcelonaIn this report we present a technique for imaging the momentum distribution of an ultracold atomic gas in 3D and with single atom resolution. We describe the first experimental steps taken to implement it in a quantum gas ... -
Early detection of biofilms using low-cost polymeric optical Lab-on-a-chip
(Universitat Politècnica de Catalunya, 2015-09-09)
Master thesis
Open Access
Covenantee: Universitat Autònoma de Barcelona / Universitat de Barcelona / Institut de Ciències Fotòniques (ICFO)In surface colonization, microorganisms tend to form complex biological structures containing cells and adhesion molecules, called biofilms, which provide them with high stability and resistance to biocide compounds. These ... -
Evaluation of the quality of Lidar measurements for foggy scenes
(Universitat Politècnica de Catalunya, 2021-09-10)
Master thesis
Restricted access - author's decision
Covenantee: Universitat de Barcelona / Universitat Autònoma de Barcelona / Institut de Ciències Fotòniques (ICFO)Light Detection and Ranging (LiDAR) is a remote sensing technology. The ability to perform 3D mapping of its surroundings with good resolution using Time of Flight (TOF) information made LiDAR a promising candidate for use ... -
Experimental characterization of interacting pairs of chip-integrated optomechanical cavities
(Universitat Politècnica de Catalunya, 2023-07-10)
Master thesis
Restricted access - confidentiality agreement
Covenantee: Universitat de Barcelona / Institut de Ciències Fotòniques (ICFO) -
Experimental control of high-dimensional entanglement for multicore fiber based QKD
(Universitat Politècnica de Catalunya, 2023-07-11)
Bachelor thesis
Restricted access - confidentiality agreement
Covenantee: Institut de Ciències Fotòniques (ICFO)Quantum Key Distribution (QKD) is a crucial step in quantum cryptography protocols, as a secure distribution of the secret key is determinant in the performance of the system. Some QKD protocols like E91 require the ... -
Fast measurement of diffusing patterns and its parameterization
(Universitat Politècnica de Catalunya, 2016-09-08)
Master thesis
Open Access
Covenantee: Universitat de Barcelona / Universitat Autònoma de Barcelona / Institut de Ciències Fotòniques (ICFO)When light strikes on a diffuser surface a new energy redistribution is created. The diffusion patterns depends on the material of the diffuser and how light reach the diffuser. The aim of this project is to characterize ... -
Influence of SnO2 layer and thickness of BiVO4 photoanodes for photoelectrochemical water splitting
(Universitat Politècnica de Catalunya, 2022-09-06)
Master thesis
Open Access
Covenantee: Institut de Ciències Fotòniques (ICFO)Bismuth vanadate has attracted much attention as one of the most promising materials for photoelectrochemical (PEC) water splitting. This Master Thesis is aimed at understanding BiVO4 films growth to use it as photoanodes. ... -
Light Guiding with Ultrasound-Sculpted Waves
(Universitat Politècnica de Catalunya, 2024-07-23)
Master thesis
Open Access
Covenantee: Institut de Ciències Fotòniques (ICFO)Light control inside a sample is central in areas as relevant as life sciences and material sciences. Traditionally, this is achieved by using external devices, which can be limited by a short focal depth, scattering-limited ... -
Machine Learning Strategies for Localised Surface Plasmon Detection
(Universitat Politècnica de Catalunya, 2023-07-24)
Master thesis
Restricted access - confidentiality agreement
Covenantee: Universitat de Barcelona / Universitat Autònoma de Barcelona / Institut de Ciències Fotòniques (ICFO)In this study, a novel combination of machine learning strategies is proposed for an easier and faster interpretation of the low-loss region of the electron energy loss spectra, with open-source resources. Before applying ...