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Browsing by Subject "Photonics"

Now showing items 1-20 of 23

A Novel Approach to Label-Free Biosensors Based on Photonic Bandgap Structures

García Castelló, Javier (Universitat Politècnica de València, 2014-02-07)

The necessity of using extremely high sensitivity biosensors in certain research areas has remarkably increased during the last two decades. Optical structures, where light is used to transduce biochemical interactions ...
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 ...
Analysis of the strain transfer in a new FBG sensor for Structural Health Monitoring

Torres Górriz, Benjamín; Paya-Zaforteza, I.; Calderón García, Pedro Antonio; Adam Martínez, José Miguel (Elsevier, 2011-02)

Structural Health Monitoring (SHM) is a topic of great interest in structural engineering due to the ageing of the built infrastructures and the growing use of innovative structural systems and construction materials. ...
Barium titanate (BaTiO3) RF characterization for application in electro-optic modulators

Rosa Escutia, Álvaro; Tulli, Domenico; Castera-Molada, Pau; Gutiérrez Campo, Ana María; Griol Barres, Amadeu; Baquero Escudero, Mariano; Vilquin, Bertrand; Eltes, Felix; Abel, Stefan; Fompeyrine, Jean; Sanchis Kilders, Pablo (The Optical Society, 2017)

[EN] Barium titanate (BaTiO3 or BTO) is currently one of the most promising ferroelectric materials for enabling Pockels modulation that is compatible with silicon photonic circuits. The relative permittivity of BTO has ...
Caracterización de un sistema de generación fotónica de señales de banda G

Peris Cuesta, Guillem (Universitat Politècnica de València, 2019-10-09)

[ES] El aumento de tráfico de datos en la red en los próximos años requerirá de unos parámetros que la actual tecnología no va a poder cumplir. La región de sub-THz es una zona del espectro aún por explotar donde los anchos ...
Desarrollo de elementos adaptadores de tamaño para la miniaturización de chips fotónicos de sensado

Pi Martín, Irene (Universitat Politècnica de València, 2020-07-24)

[ES] Este documento recoge el proceso de desarrollo de elementos adaptadores de tamaño para la miniaturización de chips fotónicos de sensado. El objetivo del proyecto es poder emplear chips más pequeños y optimizar la ...
Development of high sensitivity photonic sensing structures based on porous silicon substrates

Caroselli, Raffaele (Universitat Politècnica de València, 2018-09-10)

La salud y el bienestar siempre han sido el centro de atención de muchas instituciones de investigación y empresas de todo el mundo. Esto llevó a la tecnología a desarrollarse en los campos químico, biológico, médico y ...
EAM-SOA millimeter-wave frequency up-converter for radio-over-fiber applications

Palací López, Jesús; Villanueva Ibáñez, Guillermo Eduardo; Herrera, J. (Elsevier, 2011-01-01)

[EN] We present an optical scheme for photonic frequency up-conversion at the millimeter-wave bands based on Semiconductor Optical Amplifier. The proposed scheme modulates the bias current with the Intermediate Frequency ...
Effective index of a rectangular optical waveguide

Sanchis Kilders, Pablo (Universitat Politècnica de València, 2015-04-28)

The effective index of the fundamental mode of a rectangular optical waveguide is calculated by using the effective index method.
Honeycomb Photonic Crystal Waveguides in a Suspended Silicon Slab

Puerto Garcia, Daniel; Griol Barres, Amadeu; Escalante Fernández, José María; Pennec, Yan; Djafari-Rouhani, Bahram; Beugnot, Jean-Charles; Laude, Vincent; Martínez Abietar, Alejandro José (Institute of Electrical and Electronics Engineers (IEEE), 2012-11-15)

[EN] We report experimental evidence of light guiding at telecommunication wavelengths along line-defect honeycomb-lattice photonic crystal waveguides created in suspended silicon slabs. Numerical results show that the ...
Impact of the external resistance on the switching power consumption in VO2 nano gap junctions

Sánchez Diana, Luis David; Rosa Escutia, Álvaro; Griol Barres, Amadeu; Gutierrez Campo, Ana Maria; Homm, Pia; Van Bilzen, Bart; Menghini, Mariela; Locquet, Jean-Pierre; Sanchis Kilders, Pablo (American Institute of Physics, 2017)

[EN] The influence of an external resistance on the performance of VO2 nanogap junctions is analyzed and experimentally characterized. The current-voltage response shows the reversible metal-insulator transition typical ...
Non-linear eigenvalue problems with GetDP and SLEPc: Eigenmode computations of frequency-dispersive photonic open structures

Demesy, Guillaume; Nicolet, André; Gralak, Boris; Geuzaine, Christophe; Campos, Carmen; Roman, Jose E. (Elsevier, 2020-12)

[EN] We present a framework to solve non-linear eigenvalue problems suitable for a Finite Element discretization. The implementation is based on the open-source finite element software GetDP and the open-source library ...
Optical processing in the microwave and terahertz regions

Palací López, Jesús (Universitat Politècnica de València, 2013-01-15)

El objetivo de la tesis es es procesado de señales en las bandas de microondas y terahercios mediante dispositivos ópticos operando en la banda de comunicaciones. El procesado mediante tecnología convencional presenta una ...
Path Setup for Hybrid NoC Architectures Exploiting Flooding and Standby

Fusella, Edoardo; Flich Cardo, José; Cilardo, Alessandro (Institute of Electrical and Electronics Engineers, 2017-05-01)

[EN] Future many-core systems will require energy-efficient, high-throughput and low-latency communication architectures. Silicon Photonics appears today a promising solution towards these goals. The inability of photonics ...
Performance of a single ring resonator for photonic applications

Sanchis Kilders, Pablo (Universitat Politècnica de València, 2016-07-06)

The performance of a single ring resonator is simulated. The normalized transmission and phase shift responses are calculated.
Performance of an add-drop ring resonator for photonic applications

Sanchis Kilders, Pablo (Universitat Politècnica de València, 2016-07-06)

The performance of an add-drop ring resonator is simulated. The normalized transmission response is calculated at the through and drop ports.
Performance of directional coupler for photonic applications

Sanchis Kilders, Pablo (Universitat Politècnica de València, 2016-07-06)

The performance of a directional coupler is simulated by considering that light is injected through one of the inputs ports.
Performance of Mach-Zehnder interferometer for photonic applications

Sanchis Kilders, Pablo (Universitat Politècnica de València, 2016-07-06)

The performance of a 2x2 Mach-Zehnder interferometer is simulated by using directional couplers to split and combine the input light.
Simultaneous self-collimation of fundamental and second-harmonic in sonic crystals

Soliveres, Ester; Pérez Arjona, Isabel; Picó Vila, Rubén; Espinosa Roselló, Víctor; Sánchez Morcillo, Víctor José; Staliunas, K. (American Institute of Physics (AIP), 2011-10)

Simultaneous self-collimation of sound beams with different frequencies, corresponding to fundamental wave and to its second harmonic, is proposed theoretically and demonstrated experimentally. The result is obtained when ...
Spatial Division Multiplexed Microwave Signal processing by selective grating inscription in homogeneous multicore fibers

Gasulla Mestre, Ivana; Barrera Vilar, David; Hervás-Peralta, Javier; Sales Maicas, Salvador (Nature Publishing Group, 2017)

[EN] The use of Spatial Division Multiplexing for Microwave Photonics signal processing is proposed and experimentally demonstrated, for the first time to our knowledge, based on the selective inscription of Bragg gratings ...