Browsing by Subject "Òptica electrònica"
Now showing items 1-20 of 20
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5G transport network requirements for the next generation fronthaul interface
(2017-05-15)
Article
Open AccessTo meet the requirements of 5G mobile networks, several radio access technologies, such as millimeter wave communications and massive MIMO, are being proposed. In addition, cloud radio access network (C-RAN) architectures ... -
A model for photocurrent generation in photoconductive antennas
(2019)
Conference lecture
Restricted access - publisher's policyThe laser-induced current carrier generation and transport under large biasing voltages in photoconductive materials located in electrode gap region of photoconductive antennas is a complex process involving many different ... -
A portable interferometric micro-array reader on image sensor
(Universitat Politècnica de Catalunya, 2014-07-04)
Master thesis (pre-Bologna period)
Open Access[ANGLÈS] Microarrays constitute a valuable analytical tool for multiplex and high-throughput analysis and are widely used in genomics and proteomics with many potential applications. During the last decades, protein chips ... -
Caracterització optoelectrònica del grafè a altes freqüències i anàlisi dels efectes produïts en el grafè degut a diferents substrats
(Universitat Politècnica de Catalunya, 2015-07-22)
Master thesis (pre-Bologna period)
Open AccessThis project represents the continuation of the previous study about the analysis graphene optical and electronic properties over a wide frequency range: terahertz, near-infrared, visible band and near-ultraviolet. In this ... -
Caracterització optoelectrònica del grafè sobre diferents substrats a altes freqüències
(Universitat Politècnica de Catalunya, 2014-09-09)
Master thesis (pre-Bologna period)
Open Access[ANGLÈS] This project presents a study for both optic and electronic properties of graphene and possible variations of different physical magnitudes that are produced in a material when a single layer of graphene is deposited ... -
Design of a position encoder using infrared sensors
(Universitat Politècnica de Catalunya, 2015-05)
Master thesis (pre-Bologna period)
Open Access
Covenantee: Technische Universität Wien[ANGLÈS] The increasing popularity of robotics and the desire to make robotics available to everyone, makes that new ways of development are being promoted. One of the most complex parts of robotics are the joints, where ... -
Development of a low-cost prototype to evaluate the performance of Transdermal Optical Links
(Universitat Politècnica de Catalunya, 2020-06)
Bachelor thesis
Open Access
Covenantee: Aristoteleio Panepistēmio ThessalonikēsThis thesis presents the design, setup and implementation of a low-cost prototype system to evaluate the performance of a transcutaneous optical link. More specifically, the architecture of the system as its design (hardware ... -
Development of a scalable, point-of-care and label free microarray platform for rapid detection of sepsis
(Universitat Politècnica de Catalunya, 2015-06-29)
Bachelor thesis
Restricted access - confidentiality agreement -
Development of a setup to measure photoconductivity of GeSn
(Universitat Politècnica de Catalunya, 2019-07-12)
Bachelor thesis
Open Access
Covenantee: École polytechnique fédérale de LausanneEsta tesis se focaliza en el diseño y desarrollo de un equipo para mesurar la fotoconductividad del GeSn. El equipo consiste en una lámpara de halógeno y tungsteno, un monocromador, un espejo parabólico y un circuito óptico ... -
Development of an image sensor platform for microorganisms in water
(Universitat Politècnica de Catalunya, 2018-09-06)
Master thesis
Restricted access - confidentiality agreementIn this thesis, we demonstrate the correct operation of a fluorescence sensor designed for the analysis of water samples, in concrete phytoplankton levels and microorganism counting. The system, based on different techniques ... -
Differential 8-APSK monolithically integrated dual-EML transmitter for flexible coherent PONs
(2019-06-01)
Article
Open AccessWe experimentally demonstrate a simultaneous amplitude and phase modulation of a monolithically integrated dual electro-absorption modulated laser. The proposed technique combines a 4-ary direct phase modulation with a ... -
Dimensionless parameterization of lidar for laser remote sensing of the atmosphere and its application to systems with SiPM and PMT detectors
(2014-05-20)
Article
Open AccessIn this paper, we show a renewed approach to the generalized methodology for atmospheric lidar assessment, which uses the dimensionless parameterization as a core component. It is based on a series of our previous works ... -
Energy efficiency and network performance: A reality check in SDN-based 5G systems
(2017-12-14)
Article
Open AccessThe increasing power consumption and related environmental implications currently generated by large data networks have become a major concern over the last decade. Given the drastic traffic increase expected in 5G dense ... -
Estudi de la visió estereoscòpica i implementació d'un sistema de visualització 3D
(Universitat Politècnica de Catalunya, 2017-01)
Bachelor thesis
Open AccessEl presente TFG surge de la motivación de aplicar conocimientos adquiridos durante estos años en la ETSETB en un proyecto relacionado con la tridimensionalidad. En el TFG hemos realizado un Sistema que obtiene imágenes ... -
FPGA based label processor for large scale optical packet switch node
(Universitat Politècnica de Catalunya, 2011-09-09)
Master thesis (pre-Bologna period)
Open Access
Covenantee: Technische Universiteit EindhovenEnglish: The Internet demand is leading us into the creation of faster and more efficient networks. At the present time the servers that hold the mayor part of the cloud are grouped in thousands inside clusters. A cluster ... -
Localized surface plasmon resonance for biosensing lab-on-a-chip applications
(Universitat Politècnica de Catalunya, 2012-10-30)
Doctoral thesis
Open AccessIn recent times, metallic nanoparticle plasmonics coupled with applications towards biosensing has gathered momentum to the point where commercial R&D are investing large resources in developing the so-called localized ... -
Optimisation of parametric processes in nonlinear optical waveguides
(Universitat Politècnica de Catalunya / Politecnico di Torino. Dipartimento di elettronica / Technical University of Denmark. Fotonik Department, 2013-09-10)
Master thesis (pre-Bologna period)
Open Access
Covenantee: Politecnico di Torino[ANGLÈS] This Master’s Thesis presents an optimisation of parametric processes on two different materials used for optical communications. The main objective is to determine whether they are suitable for all-optical signal ... -
Reducing the power consumption in green 5G networks under system uncertainty
(Universitat Politècnica de Catalunya, 2017-10-30)
Master thesis
Open AccessAlong this Master thesis, we develop an heuristic model based on a given mixed integer lineal problem (MILP). The problem of energy-efficient user association is approached, as well as the backhaul (BH) routing for 5G ... -
Supporting QoE/QoS-aware end-to-end network slicing in future 5G-enabled optical networks
(2019-02-05)
Conference report
Open AccessNetwork slicing with Quality of Experience/Quality of Service (QoE/QoS) guarantees is seen as one of the key enablers of future 5G networks. Nevertheless, it poses several challenges in both resource provisioning and ... -
Toward to design of 5G optical communications
(Universitat Politècnica de Catalunya, 2017-06)
Bachelor thesis
Open AccessThe main objective of this End-of-Grade Work is the analysis and study of the possible multi-carrier modulations that can be used in fifth generation (5G) communications standard. The fifth generation of communications ...