[EN] Microwave photonics (MWP) is an emerging field in which radio frequency (RF) signals are generated, distributed, processed and analyzed using the strength of photonic techniques. It is a technology that enables various ...
Capmany Francoy, José; Muñoz Muñoz, Pascual(Institute of Electrical and Electronics Engineers, 2014)
[EN] We explore the advantages that integrated microwave
photonics (IMWP) can bring to access networks. We first of all
review the most common architectures of radio access networks
(RANs) to identify the segments where ...
Sánchez Fandiño, Javier Antonio(Universitat Politècnica de València, 2016-07-18)
[EN] Microwave photonics (MWP) is a well-established research field that investigates the use of photonic technologies to generate, distribute, process and analyze RF waveforms in the optical domain. Despite its great ...
[EN] Photonic integrated circuits based on waveguide meshes and multibeam interferometers call for large-scale integration of Tunable Basic Units (TBUs) that feature beam splitters and waveguides. This units are loaded ...
Muñoz Muñoz, Pascual; Garcia-Olcina, R.; Habib, C.; Chen, L. R.; Leijtens, X. J. M.; de Vries, T.; Robbins, D.; Capmany Francoy, José(Optical Society of America, 2011)
In this paper the design, fabrication and experimental characterization of an spectral amplitude coded (SAC) optical label swapper monolithically integrated on Indium Phosphide (InP) is presented. The device has a footprint ...
García Cortijo, Sergi(Universitat Politècnica de València, 2015-11-04)
[ES] En este trabajo proponemos un diseño novedoso de líneas de retardo en tiempo real basadas en fibra ópticas multinúcleo, las cuales aportan diversas ventajas sin precedentes en comparación con las tecnologías fotónicas ...
Ricchiuti, Amelia Lavinia; Barrera Vilar, David; Sales Maicas, Salvador; Thevenaz, Luc; Capmany Francoy, José(Optical Society of America, 2013-11-18)
A novel technique for interrogating photonic sensors based on long fiber Bragg gratings (FBGs) is presented and experimentally demonstrated, dedicated to detect the presence and the precise location of several spot events. ...
A system to interrogate photonic sensors based on long weak fiber Bragg gratings (FBGs) is illustrated and experimentally demonstrated. The FBG sensor is able to detect and measure the precise location of several spot ...
Zheng, Di; Madrigal-Madrigal, Javier; Barrera Vilar, David; Sales Maicas, Salvador; Capmany Francoy, José(Institute of Electrical and Electronics Engineers, 2017-10-15)
[EN] We propose and experimentally demonstrate an approach to perform high-resolution and temperature-insensitive interrogation of a fiber Bragg grating (FBG)-based multicore fiber (MCF) curvature sensor using a microwave ...
Capmany Francoy, José; Mora Almerich, José; Gasulla Mestre, Ivana; Sancho Durá, Juan; Lloret Soler, Juan Antonio; Sales Maicas, Salvador(Optical Society of America, 2013-02-15)
This paper reviews the recent advances in the field of radio frequency signal processing using photonic devices and subsystems ormicrowave photonic (MWP) signal processing. We focus our attention on the results reported ...
Gasulla Mestre, Ivana; Capmany Francoy, José(Institute of Electrical and Electronics Engineers (IEEE), 2012-06)
This is the first time, to our knowledge, that the application of multicore fibers
(MCFs) to the field of microwave photonics (MWP) has been proposed. The implementation
of sampled optical delay lines for RF signals by ...
A system to interrogate photonic sensors based on a very weak fiber Bragg grating cascade fiber is presented and experimentally validated and dedicated to detecting the presence and location of a spot event. The distributed ...
Hervás-Peralta, Javier; Ricchiuti, Amelia Lavinia; Li, Wei; Zhu, Ning Hua; Fernandez-Pousa, Carlos R.; Sales Maicas, Salvador; Li, Ming; Capmany Francoy, José(Institute of Electrical and Electronics Engineers, 2017)
[EN] This paper presents a review and discussion of the
applications of Microwave Photonic techniques and
functionalities to the field of optical fiber sensors. A specific
end-to end model for its characterization is ...
Ruiz Alba Gaya, Antonio; Mora Almerich, José; Amaya Ocampo, Waldimar Alexander; Martínez García, Alfonso; García Muñoz, Víctor; Calvo Díaz-Aldagalán, David; Capmany Francoy, José(Institute of Electrical and Electronics Engineers (IEEE), 2012-06)
The incorporation of multiplexing techniques used in microwave photonics to quantum key distribution (QKD) systems brings important advantages by enabling the simultaneous and parallel delivery of multiple keys between a ...
Slow-light techniques originally conceived for buffering high-speed digital optical signals now look set to play an
important role in providing broadband phase and true time delays for microwave signals.
[EN] Microwave photonic (MWP) links and systems will have more losses as their complexities increase and there will be a need for incorporating optical amplification. Here, we report results of an analytical model developed ...
[EN] We report a model to use to evaluate the performance of multiple quantum key distribution (QKD) channel transmission using spatial division multiplexing (SDM) in multicore (MCF) and few-mode fibers (FMF). This model ...
[EN] We demonstrate experimentally an indexvariable optical true time delay (OTTDL) based on an array of
forty subwavelength grating (SWG) waveguides on silicon-oninsulator (SOI). Using the measured data and numerical
simulations, ...
Rius Mercado, Manuel; Bolea Boluda, Mario; Mora Almerich, José; Ortega Tamarit, Beatriz; Capmany Francoy, José(Institute of Electrical and Electronics Engineers (IEEE), 2014-01-15)
A structure for multiband-UWB waveforms generation is proposed using an N tap microwave photonic filter with positive and negative taps. The system is based on phase inversion in electro-optical modulators and the sliced ...