Now showing items 1-20 of 37

    • A comprehensive characterisation of polarization-entangled photon pairs generated in a double-pass configuration 

      Abellán, Carlos, 1990- (Universitat Politècnica de Catalunya, 2014-07-18)
      Master thesis
      Open Access
      [ANGLÈS] We have investigated a highly efficient source of polarization-entangled photons for long-distance free-space communication and other experiments involving significant propagation loss. The source is an evolution ...
    • A portable interferometric micro-array reader on image sensor 

      Villar Zafra, Aitor (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 ...
    • Design and development of a portable cytometer based on image sensor technology 

      Pérez Rosas, Juan Miguel (Universitat Politècnica de Catalunya, 2014-09-03)
      Master thesis
      Open Access
      [ANGLÈS] This Thesis focuses on the development of the opto-mechanical design and software interface of an image cytometer capable of analyzing particulate in a small volume sample. The device consists of an incoherent ...
    • Development of a packaged optical fiber sensor for temperature measurements in multiple environments 

      Costa Jimeno, Néstor (Universitat Politècnica de Catalunya, 2014-09-08)
      Master thesis
      Open Access
      [ANGLÈS] In this thesis, the design, fabrication and characterization of thermal optical probes based on Fiber Bragg Gratings are presented. The main focus was the optimization and manufacturing of a proper package for ...
    • Development of a scalable, point-of-care and label free microarray platform for rapid detection of sepsis 

      Sendra Garcia, Joan (Universitat Politècnica de Catalunya, 2015-06-29)
      Bachelor thesis
      Restricted access - confidentiality agreement
    • Development of an image sensor platform for microorganisms in water 

      Sevilla Dalmau, Daniel (Universitat Politècnica de Catalunya, 2018-09-06)
      Master thesis
      Restricted access - confidentiality agreement
      In 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 ...
    • Estudio de sistemas fotónicos para transmisores pasivos en aplicaciones de distribución de claves cuánticas (QKD) 

      Álvarez León, José María (Universitat Politècnica de Catalunya, 2012-10)
      Master thesis (pre-Bologna period)
      Open Access
      [ANGLÈS] This thesis makes use of novel ideas to demonstrate proof of concept experiments, which could then further develop into practical passive QKD sources. Different tasks related to the source have been carried out. ...
    • Estudio y sintetización de grafeno en electrodos transparentes para células fotovoltaicas orgánicas 

      Rombaut Segarra, Juan (Universitat Politècnica de Catalunya, 2016-01)
      Master thesis (pre-Bologna period)
      Restricted access - author's decision
      En este proyecto se describe la investigación en el campo de la optoelectrónica (nexo de unión entre los sistemas ópticos y eléctricos) vinculada a nuevos materiales y metodologías aplicadas a electrodos transparentes. Estos ...
    • Gain-Switching dynamics in vertical-cavity surface-emitting lasers and applications 

      Perpiñán Blasco, Rafael (Universitat Politècnica de Catalunya, 2016-09-09)
      Master thesis
      60 months embargo
    • Initial design of a faint pulse photon source for quantum key distribution 

      Jofre Cruanyes, Marc (Universitat Politècnica de Catalunya, 2009-07-09)
      Master thesis
      Open Access
      Covenantee:   Universitat Autònoma de Barcelona / Universitat de Barcelona
      The project aims at developing new photonic transmitters for quantum cryptography applications which could be used to increase the security of communication networks. The transmitter will be designed to generate security ...
    • Integrated photonic transmitters for secure space quantum communication 

      Jofre Cruanyes, Marc (Universitat Politècnica de Catalunya, 2013-04-15)
      Doctoral thesis
      Open Access
      An important issue in today's information society is the security of data transmission against potential intruders, which always put at risk the confidentiality. Current methods to increase security require that the two ...
    • Integrated quantum devices 

      Wiedemann, Marco (Universitat Politècnica de Catalunya, 2017-10-27)
      Master thesis
      Restricted access - confidentiality agreement
    • Integrated silicon technology for quantum random number generation 

      Capdevila Ortiz, Albert (Universitat Politècnica de Catalunya, 2017-08-31)
      Master thesis
      Restricted access - confidentiality agreement
    • Interferometric lens-free microscopy of structured materials 

      Sebastian Hägele (Universitat Politècnica de Catalunya, 2020-03)
      Master thesis
      60 months embargo
      The lens-free interferometric microscope (?LIM?) developed at ICFO by Roland Terborg et al. offers a hybrid solution of differential interference contrast microscopy, interferometry and holography. It is an ultra-sensitive ...
    • Lens-free interferometric microscope for transparent materials 

      Terborg, Roland A. (Universitat Politècnica de Catalunya, 2018-10-19)
      Doctoral thesis
      Open Access
      As health systems fight against epidemics and infectious diseases, new forms of diagnostics need to be developed in order to meet the growing demand for services, often in locations without the necessary infrastructure. ...
    • Micro-nano structured electro-optic devices in linbo3 for communication and sensing 

      Tulli, Domenico (Universitat Politècnica de Catalunya, 2012-02-20)
      Doctoral thesis
      Open Access
      A material that is enabling integrated optics is the ferroelectric crystal Lithium Niobate (LiNbO3), which has excellent electro-optical, acousto-optical and nonlinear optical properties. Moreover, it can be doped with ...
    • Micro-nano structured optical devices using Ge2Sb2Te5 

      Rudé Moreno, Miquel (Universitat Politècnica de Catalunya, 2016-12-01)
      Doctoral thesis
      Open Access
      Photonic devices are key to implement future communication and information technologies. Their success is largely determined by our capability to appropriately control light in such devices, especially in future reconfigurable ...
    • Micro-structured ferroelectric superlattice for efficient acousto-optic devices 

      Yudistira, Didit (Universitat Politècnica de Catalunya, 2012-02-21)
      Doctoral thesis
      Open Access
      In this thesis we have investigated and proposed acoustic superLattices (ASLs) made of periodically poled ZX-cut lithium niobate (PPLN) associated ith coplanar electrodes as an effective alternative for surface acoustic ...
    • Multiple beam interferometry on a CMOS for optical sensing 

      Statsenko, Tatiana (Universitat Politècnica de Catalunya, 2013-09-10)
      Master thesis
      Open Access
      Covenantee:   Universitat Autònoma de Barcelona / Universitat de Barcelona
      [ANGLÈS] The project is dedicated to the development of a compact shearing interferometric optical sensor for biological applications. The main goal is the implementation of a patented optical device based on polarization ...
    • Nano-structured surfaces for mid-infrared optical sensing 

      Arrés Chillón, Javier (Universitat Politècnica de Catalunya, 2019-09-09)
      Master thesis
      Open Access
      We design and realize two nano-structured surfaces that support graphene plasmon modes for sensing applications in the mid-infrared range. More specifically the two designs are engineered on a CaF2, IR-transparent, substrate ...