Nazemosadat, Elham; Gasulla Mestre, Ivana(Institute of Electrical and Electronics Engineers, 2022-10-01)
[EN] We experimentally demonstrate, for the first-time to our knowledge, tunable true-time delay line operation over a few-mode fiber link, in which the time delay can be continuously and widely tuned, from 46.3 to 105.6 ...
Galve-Higón, José Manuel; Gasulla Mestre, Ivana; Sales Maicas, Salvador; Capmany Francoy, José(Institute of Electrical and Electronics Engineers (IEEE), 2016-01)
We propose the use of spatial division multiplexing supported by multicore fibers to implement a new generation of flexible and capacity reconfigurable cloud radio access network front-haul architectures capable of addressing ...
Morant, Maria; González-Guerrero, Luis; Renaud, Cyril C.; Llorente, Roberto(Institute of Electrical and Electronics Engineers, 2021-12-15)
[EN] This paper proposes and demonstrates a photonic THz generation technique based on an optical frequency comb and multicore fiber (MCF) transmission, with the advantage of remote generation with great reconfigurability ...
Moreno, V.; Mora Almerich, José; Muriel, M.A.; Capmany Francoy, José(Institute of Electrical and Electronics Engineers (IEEE), 2015-10-15)
In this letter, we propose and experimentally demonstrate a compact, flexible, and scalable ultrawideband (UWB) generator based on the merge of phase-to-intensity conversion and pulse shaping employing an fiber Bragg ...
Benítez-González, Jesús; Mora Almerich, José; Bolea Boluda, Mario(Institute of Electrical and Electronics Engineers, 2017)
[FR] In this letter, we present a novel structure for performing subcarrier multiplexing (SCM) to improve the scanning rate in low coherence interferometry (LCI) systems combined with the microwave photonics (MWP) technology. ...
Benítez-González, Jesús; Mora Almerich, José(Institute of Electrical and Electronics Engineers, 2017)
[EN] In this letter, a sensitivity improvement for systems combining low-coherence interferometry (LCI) and microwave photonics (MWP) is demonstrated. This improvement is due to the introduction of a different modulation ...
Capmany Francoy, José; Doménech Gómez, José David; Muñoz, P.(Institute of Electrical and Electronics Engineers (IEEE): OAJ, 2015-04)
We propose the incorporation of graphene to integrated coupled resonator waveguides and side-coupled integrated spaced sequence of resonator devices to enable reconfigurable operation. The key element to achieve this is a ...
[EN] A novel approach to simplify optical beamforming networks based on wavelength-division-multiplexing (WDM) optical sources and a dispersive medium is proposed. The technique relies on the combination of dispersive and ...
Palací López, Jesús; Villanueva Ibáñez, Guillermo Eduardo; Galán Conejos, José Vicente; Martí Sendra, Javier; Vidal Rodriguez, Borja(Institute of Electrical and Electronics Engineers (IEEE), 2010-09-01)
[EN] A novel tunable single bandpass photonic microwave filter is proposed. It is based on optically filtering one of the sidebands of a phase-modulated optical carrier by means of the notch response of a silicon-on-insulator ...
Lloret Soler, Juan Antonio(Universitat Politècnica de València, 2012-07-09)
Esta tesis doctoral tiene como objetivo el diseño y la implementación de dispositivos ópticos novedosos capaces de realizar tareas de procesado de señales de rediofrecuencia, concretamente en las bandas de microondas y ...
Botella Campos, Marta(Universitat Politècnica de València, 2021-10-11)
[ES] El objetivo de este trabajo será sentar las bases para la futura tesis doctoral en conformación de haces para redes de acceso ópticas híbridas de cable/inalámbricas. En concreto, el trabajo consistirá en estudiar las ...
Pérez-López, Daniel; Gasulla Mestre, Ivana; Capmany Francoy, José(Institute of Electrical and Electronics Engineers, 2018)
[EN] We describe the advances that we, and others, have reported during the last years in the area of programmable microwave photonic processors. Following a brief historical sketch, we provide a detailed account of the ...
Palací López, Jesús; Pérez Millán, Pedro; Villanueva Ibáñez, Guillermo Eduardo; Cruz, José L.; Andrés, Miguel V.; Martí Sendra, Javier; Vidal Rodriguez, Borja(Institute of Electrical and Electronics Engineers (IEEE), 2010-10-01)
A novel tunable photonic microwave single bandpass filter based on the optical resonance originated by a local phase shift introduced in the periodic structure of a fiber Bragg grating is proposed. Dynamic control of the ...
[EN] We present a simple few-mode fiber design as a
promising platform to implement tunable sampled true-time
delay lines for radiofrequency signal processing. To the best of
our knowledge, this is the first few-mode fiber ...
Optical carrier reduction via the use of a Si3N4 ring resonator notch filter (RRNF) is proposed and experimentally demonstrated as a means for improving the modulation efficiency in 10-GHz radio-over-fiber (RoF) links. The ...
Moreno, Vanessa; Rius Mercado, Manuel; Mora Almerich, José; Muriel, M.A.; Capmany Francoy, José(Institute of Electrical and Electronics Engineers (IEEE): OAJ, 2013-12)
In this paper, a novel method to generate ultrawideband (UWB) doublets is proposed and experimentally demonstrated, which is based on exploiting the cross-phase modulation in a semiconductor optical amplifier (SOA). The ...
Moreno, Vanessa; Rius Mercado, Manuel; Mora Almerich, José; Muriel, Miguel A.; Capmany Francoy, José(Institute of Electrical and Electronics Engineers (IEEE), 2014-04-01)
In this paper, we propose and experimentally demonstrate a novel and single structure to generate ultra-wideband pulses by means of the cross-phase modulation present in a semiconductor optical amplifier unified structure. ...
Vidal Rodriguez, Borja; Mengual Chulia, Teresa; Ibáñez-López, Cristina; Martí Sendra, Javier(Institute of Electrical and Electronics Engineers, 2006-11-01)
[EN] A simple method for windowing the response of wavelength-division-multiplexing photonic microwave transversal filters based on one differential-group-delay module is proposed. The technique allows the reconfiguration ...
[EN] A nulling system for phased array antennas with broad bandwidth and reduced complexity is presented. The system is based on combining the output of an optical beamforming network with an optical transversal filter ...