Listar por Entidad UPV "Universitat Politècnica de València. Instituto Universitario de Tecnología Nanofotónica - Institut Universitari de Tecnologia Nanofotònica"
RiuNet: Repositorio Institucional de la Universidad Politécnica de Valencia
Listar por Entidad UPV "Universitat Politècnica de València. Instituto Universitario de Tecnología Nanofotónica - Institut Universitari de Tecnologia Nanofotònica"
Díaz-Fernández, Francisco Javier; Pinilla-Cienfuegos, Elena; García Meca, Carlos; Lechago-Buendia, Sergio; Griol Barres, Amadeu; Martí Sendra, Javier(Institution of Electrical Engineers, 2019-04)
[EN] Recently, a novel Photonic-Integrated Circuit (PIC) paradigm based on the use of a new kind of ultra-directive, lowloss,
highly efficient and broadband silicon nanoantenna has enabled the first demonstration of an ...
Vidal Rodriguez, Borja(Institute of Electrical and Electronics Engineers (IEEE), 2012-03)
A technique to provide immersive feedback on TV and video production studios employing chroma key video segmentation systems is analysed and demonstrated. The technique exploits the observation that polarized light is ...
Vidal Rodriguez, Borja; Lafuente, Juan Alberto(Society of Photo-optical Instrumentation Engineers (SPIE), 2016-03)
A simple technique to avoid color limitations in image capture systems based on chroma key video
composition using retroreflective screens and light-emitting diodes (LED) rings is proposed and demonstrated.
The combination ...
Vázquez-Lozano, Juan Enrique; Martínez Abietar, Alejandro José(American Physical Society, 2018)
[EN] Traditionally, in macroscopic geometrical optics intrinsic polarization and spatial degrees of freedom of light can be treated independently. However, at the subwavelength scale these properties appear to be coupled ...
Papatryfonos, Konstantinos; Selviah, David R.; Maman, Avi; Hasharoni, Kobi; Brimont, Antoine Christian Jacques; Zanzi, Andrea; Kraft, Jochen; Sidorov, Victor; Seifried, Marc; Baumgartner, Yannick; Horst, Folkert; Offrein, Bert Jan; Lawniczuk, Katarzyna; Broeke, Ronald G.; Terzenidis, Nikos; Sanchis Kilders, Pablo(MDPI AG, 2021-07)
[EN] We report recent advances in photonic-electronic integration developed in the European research project L3MATRIX. The aim of the project was to demonstrate the basic building blocks of a co-packaged optical system. ...
Espinosa-Soria, Alba; Pinilla-Cienfuegos, Elena; Díaz-Fernández, Francisco Javier; Griol Barres, Amadeu; Martí Sendra, Javier; Martínez Abietar, Alejandro José(American Chemical Society, 2018)
[EN] Illuminating a plasmonic nanoantenna by a se of coherent light beams should tremendously modify its scattering, absorption and polarization properties, thus, enabling all-optical dynamic manipulation. However, diffraction ...
Ricchiuti, Amelia L.; Suárez Álvarez, Isaac; Barrera Vilar, David; Rodríguez Cantó, Pedro Javier; Fernandez-Pousa, Carlos R.; Abargues, Rafael; Sales Maicas, Salvador; Martinez-Pastor, Juan; Capmany Francoy, José(Institute of Electrical and Electronics Engineers (IEEE), 2014-02-15)
A novel scheme for the control of microwave signals carried at optical wavelengths by use of PbS colloidal quantum dots embedded in PMMA waveguides is presented. When these structures are pumped at wavelengths where PbS ...
Morant, Maria; Pérez, Joaquin; Llorente, Roberto; Martí Sendra, Javier(Institute of Electrical and Electronics Engineers, 2009)
[EN] The hybrid wireless-optical transmission of ultra-wideband signals employing orthogonal frequency-division multiplexing modulation (OFDM) ultra-wideband (UWB) as defined in the ECMA-368 standard is experimentally ...
Medina Sevila, Pau; Almenar Terré, Vicenç; Corral, Juan L.(Institute of Electrical and Electronics Engineers (IEEE), 2015-08-15)
In this letter, we propose a receiver scheme for zero-padded orthogonal frequency division multiplexing (OFDM) that combines low complexity from overlap-and-add equalizer and low error rate provided by successive interference ...
In this paper, we propose and experimentally demonstrate a simple, cost-effective hybrid gigabit fiber-wireless system for in-building wireless access. Simplicity and cost-effectiveness are achieved in all parts of the ...
[EN] Porous materials have become one of the best options for the development of optical sensors, since they maximize the interaction between the optical field and the target substances, which boosts the sensitivity. In ...
Zanzi, Andrea; Brimont, Antoine Christian Jacques; Griol Barres, Amadeu; Sanchis Kilders, Pablo; Martí Sendra, Javier(Optical Society of America, 2016-01-15)
[EN] This Letter presents a compact and low-loss 1 x 2 asymmetrical multimode interference (A-MMI) splitter in rib geometry for on-chip power monitoring at 1.55 mu m, where a given alteration of the component cavity ...
A dual-band quarter-wave plate based on a modified extraordinary transmission hole array is numerically analyzed and experimentally demonstrated at terahertz frequencies. To control independently orthogonal polarizations, ...
Larrea-Luzuriaga, Roberto Alejandro; Gutiérrez Campo, Ana María; Hurtado Montañés, Juan; Ramirez, J. M.; Garrido, B.; Sanchis Kilders, Pablo(Optical Society of America, 2017-02-01)
In this Letter, we present the design, simulation (2D and 3D), fabrication, and experimental characterization of compact and fully etched focusing gratings for a horizontal slot waveguide based on a silicon nitride layer ...
[EN] A computational study of the interaction of cardiac troponin I (cTnI) with its specific antibody and of that antibody with skeletal troponin I (sTnI), the principal interferon of cTnI, is carried out. Computational ...
[EN] Thrombin generation is a complex and finely regulated pathway that provokes dynamical changes of thrombin concentration in blood when a vascular injury occurs. In order to characterize the initiation phase of such ...
Chen, Wen; Roelli, Philippe; Hu, Huatian; Verlekar, Sachin; Amirtharaj, Sakthi Priya; Barreda, Ángela I.; Kippenberg, Tobias J.; Kovylina, Miroslavna; Verhagen, Ewold; Martínez Abietar, Alejandro José; Galland, Christophe(American Association for the Advancement of Science (AAAS), 2021-12-03)
[EN] Coherent upconversion of terahertz and mid-infrared signals into visible light opens new horizons for spectroscopy, imaging, and sensing but represents a challenge for conventional nonlinear optics. Here, we used a ...
[EN] An optical microwave filter architecture which can be continuously tuned is proposed and demonstrated. The architecture is based on a nematic liquid crystal spatial light modulator in parallel configuration and has ...
Bockelt, A.; Palací López, Jesús; Vidal Rodriguez, Borja(Optical Society of America, 2013-08-15)
The manipulation of the operating conditions of photoconductive antennas by means of an additional continuous wave (CW) is reported. It is used to control a fiber-based terahertz (THz) time-domain-spectroscopy system at ...
Ekins-Daukes, N. J.; Lee, K.H.; Hirst, L.; Chan, A.; Fuehrer, M.; Adams, J.; Browne, B.; Barnham, K.W.J.; Stavrinou, P.; Connolly, James Patrick; Roberts, J. S.; Stevens, B.; Airey, R.; Kennedy, K.(IOP Publishing: Hybrid Open Access, 2013-07-03)
[EN] The inclusion of quantum well layers in a solar cell provides a means for extending the absorption and therefore increasing the photocurrent of the cell. In 2009, a single-junction GaAsP/InGaAs quantum well solar cell ...