Ara es mostren els items 1-20 de 33

    • An image cytometer based on angular spatial frequency processing and its validation for rapid detection and quantification of waterborne microorganisms 

      Pérez-Rosas, Juan Miguel; Jofre Cruanyes, Marc; Martínez, Pedro; Yañez, M. Adela; Catalan, Vicente; Pruneri, Valerio (2015)
      Article
      Accés restringit per política de l'editorial
      We introduce a new image cytometer design for the detection of very small particulates and demonstrate its capability in water analysis. The device is a compact microscope composed of off-the-shelf components, such as a ...
    • Cybersecurity and privacy risk assessment of point-of-care systems in healthcare - a use case approach 

      Jofre Cruanyes, Marc; Navarro Llobet, Diana; Agulló, Ramon; Puig Domingo, Jordi; González Granadillo, Gustavo; Mora Zamorano, Juan; Romeu, Ramon (Multidisciplinary Digital Publishing Institute, 2021-07-21)
      Article
      Accés obert
      Point-of-care systems are generally used in healthcare to respond rapidly and prevent critical health conditions. Hence, POC systems often handle personal health information; and consequently, their cybersecurity and privacy ...
    • Data-informed characterization of spatio-temporal scales in experiments of microconfined high-pressure transcritical turbulence 

      Hurtán Díaz, Enrique; Bandarrinha Monteiro, Carlos Alexandre; Jofre Cruanyes, Marc; Casals Terré, Jasmina; Jofre Cruanyes, Lluís (2024-12)
      Article
      Accés obert
      The spatio-temporal scales of microconfined high-pressure transcritical turbulence are characterized in relation to the resolution capabilities of present time-resolved two-dimensional PIV technology. Utilizing as the ...
    • Domain inverted acousto- and electrooptic devices and their application to optical communication, sensing, laser sources, and quantum key distribution 

      Janner, Davide; Tulli, Domenico; Jofre Cruanyes, Marc; Yudistira, Didit; Balsamo, Stefano; Belmonte, Michele; Pruneri, Valerio (2013-11)
      Article
      Accés restringit per política de l'editorial
      The current status of domain inverted lithium niobate acousto- and electrooptic devices is reviewed. We introduce the main domain microengineering techniques and their impact on modulators' performance in terms of reduced ...
    • Efficient heralding of polarization-entangled photons from type-0 and type-II spontaneous parametric downconversion in periodically poled KTiOPO 4 

      Steinlechner, Fabian; Gilaberte, Marta; Jofre Cruanyes, Marc; Scheidl, Thomas; Pérez Torres, Juan; Pruneri, Valerio; Ursin, Rupert (2014-09-01)
      Article
      Accés restringit per política de l'editorial
      Ultrabright sources of entangled photon pairs with high heralding efficiency are an important step in the pursuit of high-bit-rate entanglement-base quantum key distribution, as well as an enabling tool for loss-sensitive ...
    • Experimental verification of dielectric models with a capacitive wheatstone bridge biosensor for living cells: E. coli 

      Zarrinkhat, Faezeh; Jofre Cruanyes, Marc; Jofre Roca, Lluís; Rius Casals, Juan Manuel; Romeu Robert, Jordi (Multidisciplinary Digital Publishing Institute (MDPI), 2022-03-23)
      Article
      Accés obert
      Detection of bioparticles is of great importance in electrophoresis, identification of biomass sources, food and water safety, and other areas. It requires a proper model to describe bioparticles’ electromagnetic ...
    • Fast optical source for quantum key distribution based on semiconductor optical amplifiers 

      Jofre Cruanyes, Marc; Gardelein, Arnaud; Anzolin, Gabriele; Amaya, Waldimar; Capmany, Jose; Ursin, Rupert; Peñate, Laura; López, D.; San Juan, J. L.; Carrasco, J. A.; Garcia, F.; Torcal-Milla, F. J.; Sanchez-Brea, L. M.; Bernabeu, E.; Perdigues Armengol, Josep Maria; Jennewein, Thomas; Torres, Juan P.; Mitchell, Morgan W.; Pruneri, Valerio (2011)
      Article
      Accés obert
      A novel integrated optical source capable of emitting faint pulses with different polarization states and with different intensity levels at 100 MHz has been developed. The source relies on a single laser diode followed ...
    • Initial design of a faint pulse photon source for quantum key distribution 

      Jofre Cruanyes, Marc (Universitat Politècnica de Catalunya, 2009-07-09)
      Projecte Final de Màster Oficial
      Accés obert
      Realitzat a/amb:   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)
      Tesi
      Accés obert
      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 ...
    • Internet Quàntic: teleportació cap al món dels QuBits per a les tecnologies de la informació 

      Jofre Cruanyes, Marc (2024-10-31)
      Audiovisual
      Accés obert
      Descobrirem què són les Tecnologies Quàntiques, les aplicacions més importants per a Telecomunicacions i la manera en que ens pot ajudar a solucionar reptes actuals de les Tecnologies de la Informació. De forma ilustrada ...
    • M-Port rotationally symmetric antennas for advanced MIMO applications 

      Aldana Alonso, Rubén; Molins Benlliure, Jaime; Akazzim, Youness; Llanga Vargas, Anibal; Jofre Cruanyes, Marc; Cabedo Fabrés, Marta; Antonino Daviu, Eva; Romeu Robert, Jordi; Ferrando Bataller, Miguel; Jofre Roca, Lluís (Unión Científica Internacional de Radio (URSI), 2024)
      Text en actes de congrés
      Accés obert
      Multiple-input multiple-output (MIMO) technology has emerged as a highly promising solution for wireless communication, offering an opportunity to overcome the limitations of traffic capacity in high-speed broadband wireless ...
    • Magnetoelectric dipole antenna framework supporting orbital angular momentum modes 

      Jofre Cruanyes, Marc; Akazzim, Youness; Blanch Boris, Sebastián; Romeu Robert, Jordi; Cetiner, Bedri Artug; Jofre Roca, Lluís (2024-04)
      Article
      Accés restringit per política de l'editorial
      The ability to utilize resources to meet the need of growing diversity of communication services and user behavior marks the future of cognitive wireless communication systems. Cognitive wireless technologies for vehicular ...
    • Magnetòmetre de bombeig òptic amb guia magnètica d’elevada resolució espacial per a detectar gotes magnètiques en un canal microfluídic 

      Jofre Cruanyes, Marc; Romeu Robert, Jordi; Jofre Roca, Lluís (Institut d'Estudis Catalans (IEC), 2024-09-26)
      Article
      Accés obert
      Els sensors quàntics proporcionen una sensitivitat sense precedents per a detectar camps magnètics, fet que els permet ampliar l’abast habitual d’aplicacions i de contextos d’ús de la magnetometria. Moltes aplicacions també ...
    • Microwave contactless current-sensing for live/dead differentiation of single bioparticles on a microfluidic platform 

      Palacios Arias, César Augusto; Jofre Cruanyes, Marc; Jofre Cruanyes, Lluís; Romeu Robert, Jordi; Jofre Roca, Lluís (Institute of Electrical and Electronics Engineers (IEEE), 2023-08-02)
      Article
      Accés restringit per política de l'editorial
      The combination of microwave and microfluidic technologies enables the creation of efficient platforms to rapidly quantify live/dead bioparticles in industrial processes, biomedical research and environmental monitoring ...
    • Microwave-microfluidic measurement system optimization for bio-particle-sensing with coplanar-electrodes 

      Palacios Arias, César Augusto; Jofre Cruanyes, Marc; Jofre Cruanyes, Lluís; Trabal Pou, Arnau; Coll Beltran, Mercè; Rodríguez Gargallo, Marta; Romeu Robert, Jordi; Jofre Roca, Lluís (Íñigo Cuiñas Gómez, 2021)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Microwave and microfluidic techniques may enable wireless monitoring and interaction with bio-particles, yet still is a largely uncharted territory. Fortunately, the requirements of microfluidics and microwave techniques ...
    • On the wireless microwave sensing of bacterial membrane potential in microfluidic-actuated platforms 

      Jofre Cruanyes, Marc; Jofre Cruanyes, Lluís; Jofre Roca, Lluís (Multidisciplinary Digital Publishing Institute (MDPI), 2021-05-14)
      Article
      Accés obert
      The investigation of the electromagnetic properties of biological particles in microfluidic platforms may enable microwave wireless monitoring and interaction with the functional activity of microorganisms. Of high relevance ...
    • Optically pumped magnetometer with high spatial resolution magnetic guide for the detection of magnetic droplets in a microfluidic channel 

      Jofre Cruanyes, Marc; Romeu Robert, Jordi; Jofre Roca, Lluís (Institute of Physics (IOP), 2023-01-30)
      Article
      Accés obert
      Quantum sensors provide unprecedented magnetic field detection sensitivities, enabling these to extend the common magnetometry range of applications and environments of operation. In this framework, many applications also ...
    • Passive decoy-state quantum key distribution with coherent light 

      Curty, M.; Jofre Cruanyes, Marc; Pruneri, Valerio; Mitchell, Morgan W. (2015-06-12)
      Article
      Accés obert
      Signal state preparation in quantum key distribution schemes can be realized using either an active or a passive source. Passive sources might be valuable in some scenarios; for instance, in those experimental setups ...
    • Passive Decoy-State Quantum Key Distribution with Coherent Light 

      Curty, Marcos; Jofre Cruanyes, Marc; Pruneri, Valerio; Mitchell, Morgan W. (MDPI, 2015-06-12)
      Article
      Accés obert
      Signal state preparation in quantum key distribution schemes can be realized using either an active or a passive source. Passive sources might be valuable in some scenarios; for instance, in those experimental setups ...
    • Polarization change induced by a galvanometric optical scanner 

      Anzolin, Gabriele; Gardelein, Arnaud; Jofre Cruanyes, Marc; Molina Terriza, Gabriel; Mitchell, Morgan W. (2010-09-01)
      Article
      Accés obert
      We study the optical properties of a two-axis galvanometric optical scanner constituted by a pair of rotating planar mirrors, focusing our attention on the transformation induced on the polarization state of the input beam. ...