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Listar por autor "García Meca, Carlos"

Mostrando ítems 1-20 de 36

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All-dielectric nanoantennas enabling on-chip wireless silicon photonics

Lechago Buendía, Sergio (Universitat Politècnica de València, 2019-12-16)

[ES] La revolución posibilitada por las aplicaciones fotónicas durante las últimas décadas ha dejado su impronta en la sociedad tal y como la conocemos actualmente. Ejemplos claros de este impacto están patentes en, por ...
All-Silicon On-Chip Optical Nanoantennas as Efficient Interfaces for Plasmonic Devices

Lechago-Buendia, Sergio; García Meca, Carlos; Griol Barres, Amadeu; Kovylina, Miroslavna; Bellieres, Laurent Christophe; Martí Sendra, Javier (American Chemical Society, 2019-05-01)

[EN] Plasmonic technology promises to unfold new advanced on-chip functionalities with direct applications in photovoltaics, light¿matter interaction, and the miniaturization of optical interconnects at the nanoscale. In ...
Analogue transformation acoustics and the compression of spacetime

García Meca, Carlos; Carloni, Sante; Barceló, Carlos; Jannes, Gil Georges Paul; Sánchez-Dehesa Moreno-Cid, José; Martínez Abietar, Alejandro José (Elsevier, 2014-08)

A recently developed technique known as analogue transformation acoustics has allowed the extension of the transformational paradigm to general spacetime transformations under which the acoustic equations are not form ...
Analogue Transformations in Physics and their Application to Acoustics

García Meca, Carlos; Carloni, S.; Barcelo, C.; Jannes, G.; Sánchez-Dehesa Moreno-Cid, José; Martínez Abietar, Alejandro José (Nature Publishing Group, 2013-06-18)

Transformation optics has shaped up a revolutionary electromagnetic design paradigm, enabling scientists to build astonishing devices such as invisibility cloaks. Unfortunately, the application of transformation techniques ...
Birefringence effects in multi-core fiber: coupled local-mode theory

Macho-Ortiz, Andrés; García Meca, Carlos; Fraile-Peláez, F. Javier; Morant Pérez, María; Llorente Sáez, Roberto (Optical Society of America, 2016-09-19)

In this paper, we evaluate experimentally and model theoretically the intra- and inter-core crosstalk between the polarized core modes in single-mode multi-core fiber media including temporal and longitudinal birefringent ...
Characterisation of on-chip wireless interconnects based on silicon nanoantennas via near-field scanning optical microscopy

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 ...
Desarrollo de Metasuperficies Reflectoras Reconfigurables para Comunicaciones 5G

Arenas Álvarez, Raquel (Universitat Politècnica de València, 2024-09-26)

[ES] El proyecto "Desarrollo de Metasuperficies Reflectoras Reconfigurables para Comunicaciones 5G" se enfoca en mejorar las redes 5G en entornos interiores, donde se demanda alta velocidad y baja latencia. Este Trabajo ...
Design and implementation of photonic metamaterials

García Meca, Carlos (Universitat Politècnica de València, 2012-07-09)

Los metamateriales son una nueva clase de materiales artificiales que pueden ser diseñados para poseer propiedades que serían difíciles o imposibles de encontrar en la naturaleza. Los metamateriales han posibilitado la ...
Diffusive-light invisibility cloak for transient illumination

Orazbayev, Bakhtiyar; Beruete, Miguel; Martínez Abietar, Alejandro José; García Meca, Carlos (American Physical Society, 2016-12-22)

Invisibility in a diffusive-light-scattering medium has been recently demonstrated by employing a scattering-cancellation core-shell cloak. Unlike nondiffusive cloaks, such a device can be simultaneously macroscopic, ...
Diseño de metamateriales fotónicos con índice de refracción negativo en el espectro visible

García Meca, Carlos (Universitat Politècnica de València, 2011-11-22)

[ES] Esta tesina es un trabajo de investigación cuyo objeto es el diseño de metamateriales con índice de refracción negativo en el espectro visible, cuyas prestaciones superen a los metamateriales existentes con ...
Diseño de un metamaterial con índice de refracción negativo en el espectro visible

García Meca, Carlos (Universitat Politècnica de València, 2013-03-11)

Resumen El presente proyecto es un trabajo de investigación sobre un nuevo tipo de materiales nanoestructurados denominados metamateriales, cuyas propiedades electromagnéticas no se pueden encontrar en medios naturales. ...
Diseño y caracterización de nanoantenas plasmónicas y dieléctricas

Lechago Buendía, Sergio (Universitat Politècnica de València, 2014-05-06)

By means of this Project, a simulation and implementation of several types of optical nanoantennas was shown in order to establish on-chip optical wireless data transmissions. These nanolinks were fabricated on silicon ...
Dual-band double-negative-index fishnet metamaterial at millimeter-waves

Navarro-Cia, M.; García Meca, Carlos; Beruete, M.; Martínez Abietar, Alejandro José; Sorolla, M. (Optical Society of America, 2011)

[EN] An effective negative refractive index (NRI) is demonstrated and experimentally verified for the first two propagation bands of a fishnet-like metamaterial at millimeter-wave frequencies. The dual-band NRI behavior ...
Dynamically tunable transformation thermodynamics

García Meca, Carlos; Barceló, Carlos (IOP Publishing, 2016-04)

Recently, the introduction of transformation thermodynamics has provided a way to design thermal media that alter the flow of heat according to any spatial deformation, enabling the construction of novel devices such as ...
Engineering antenna radiation patterns via quasi-conformal mappings

García Meca, Carlos; Martínez Abietar, Alejandro José; Leonhardt, U. (Optical Society of America, 2011)

We use a combination of conformal and quasi-conformal mappings to engineer isotropic electromagnetic devices that modify the omnidirectional radiation pattern of a point source. For TE waves, the designed devices are also ...
Exciting surface plasmons with transformation media

García Meca, Carlos; Ortuño Molinero, Rubén; Martí Sendra, Javier; Martínez Abietar, Alejandro José (Springer Verlag (Germany), 2012-12)

We present a way of exciting surface plasmon polaritons along non-patterned metallic surfaces by means of a flat squeezing slab designed with transformation optics. The slab changes the dispersion relation of incident ...
Full three-dimensional isotropic transformation media

García Meca, Carlos; Ortuño Molinero, Rubén; Martí Sendra, Javier; Martínez Abietar, Alejandro José (IOP Publishing: Open Access Journals, 2014-02-21)

We present a method that enables the implementation of full three-dimensional (3D) transformation media with minimized anisotropy. It is based on a special kind of shape-preserving mapping and a subsequent optimization ...
High order standing-wave plasmon resonances in silver u-shaped nanowires

Rodríguez Fortuño, Francisco José; Ortuño Molinero, Rubén; García Meca, Carlos; Martí Sendra, Javier; Martínez Abietar, Alejandro José (American Institute of Physics (AIP), 2012)

Optical measurements of the transmission spectra through nanofabricated planar arrays of silver u-shaped nanowires on a silicon substrate resonating at infrared frequencies are performed. Good agreement with the numerically ...
High signal-to-noise ratio ultra-compact lab-on-a-chip microflow cytometer enabled by silicon optical antennas

Lechago-Buendia, Sergio; García Meca, Carlos; Sánchez Losilla, Nuria; Griol Barres, Amadeu; Martí Sendra, Javier (The Optical Society, 2018)

[EN] We experimentally demonstrate an all-silicon nanoantenna-based micro-optofluidic cytometer showing a combination of high signal-to-noise ratio (SNR) > 14 dB and ultra-compact size. Thanks to the ultra-high directivity ...
Imaging Cloaked Objects: Diffraction Tomography of Realistic Invisibility Devices

Díaz-Fernández, Francisco Javier; Martí Sendra, Javier; García Meca, Carlos (John Wiley & Sons, 2023-02)

[EN] Invisibility cloaks have become one of the most outstanding developments among the wide range of applications in the field of metamaterials. So far, most efforts in invisibility science have been devoted to achieving ...