Morant Pérez, María; Macho-Ortiz, Andrés; Llorente, Roberto(Institute of Electrical and Electronics Engineers (IEEE), 2016-01-15)
[EN] This paper proposes and evaluates analytically and experimentally the suitability of spatial multiplexing in multicore fiber (MCF) for multiple-input multiple-output (MIMO) LTE Advanced (LTE A) optical fronthaul systems ...
[EN] The paper addresses the problem of distribution of highdefinition video over fiber-wireless networks. The physical layer architecture with the low complexity envelope detection solution is investigated. We present ...
[EN] We investigate partial response signaling (PRS) as a way of increasing the transmission length achievable by direct detection optical systems. The performance of the duobinary and PRS modulations is evaluated against ...
Morant, Maria; Llorente, Roberto(Institute of Electrical and Electronics Engineers, 2018)
[EN] In this paper,we experimentally propose and evaluate the performance of multiantenna LTE-Advanced (LTE-A) systems implementing multiple-input-multiple-output (MIMO) space división multiplexing on multicore fiber, ...
[EN] In this work we report a comprehensive experimental study targeting the dimensioning of the next-generation multicore-fibre (MCF) optical fronthaul employing space-division multiplexing (SDM). This fronthaul is capable ...
Prodaniuc, Cristian; Stojanovic, Nebojsa; Karinou, Fotini; Qiang, Zhang; Llorente Sáez, Roberto(Institute of Electrical and Electronics Engineers, 2016)
[EN] We investigate two trellis-coded modulation (TCM)
schemes for use in next-generation low-cost 400G optical networks.
Their performance is evaluated against that of four-level
pulse amplitude modulation (PAM-4). We ...
Garrigós Simón, Fernando José; Llorente Sáez, Roberto; Morant Pérez, María; Narangajavana, Yeamduan(SAGE Publications (UK and US), 2015)
Following a multidisciplinary perspective (that combines the literature from management, information systems, marketing and engineering telecommunications perspectives), the purpose of this article is to create and analyze ...
[EN] Optomechanical (OM) cavities enable coupling of near-infrared light and GHz-frequency acoustic waves in wavelength-scale volumes. When driven in the phonon lasing regime, an OM cavity can perform simultaneously as a ...
Beltrán Ramírez, Marta(Universitat Politècnica de València, 2012-05-10)
La presenta Tesis Doctoral encuentra su ámbito de aplicación en redes de acceso ópticas de fibra hasta el hogar o FTTH (del inglés fibre-to-the-home). Las redes FTTH han sido ampliamente desplegadas en todo el mundo y se ...
[EN] This paper describes the state-of-the-art of polarization multiplexing for optical networks transmission. The use of polarization division multiplexing (PDM) permits to multiply the user capacity and increase the ...
Morant Pérez, María; Prat, Josep; Llorente Sáez, Roberto(Institute of Electrical and Electronics Engineers (IEEE), 2014-10-15)
This paper proposes and demonstrates experimentally the application of optical polarization-multiplexed radio-over-fiber wireless backhauling of fully standard 3GPP carrier-aggregated multiple-input multiple-output (MIMO) ...
[EN] This study describes a wide range of salient radio-over-fibre system issues. Impulse radio and multiband ultra-wideband signal distribution over both single-mode fibre and multi-mode fibre (MMF) implementations are ...
Alves, Tiago M. F.; Morant Perez, Maria; Cartaxo, Adolfo V T; Llorente Sáez, Roberto; Cluzeaud, Pierre; Sambaraju, Rakesh(Optical Society of America, 2013-10-01)
[EN] Real-time video streaming using ultra-wideband (UWB) technology is experimentally demonstrated along long-reach passive optical networks (LR-PONs) with different wired and wireless reaches. Experimental tests using ...
Beltrán Ramírez, Marta; Caraquitena Sales, José; Llorente Sáez, Roberto; Martí Sendra, Javier(Institute of Electrical and Electronics Engineers (IEEE), 2011-08-15)
[EN] A reconfigurable multiwavelength source based on time-domain electrooptic phase modulation of a pulsed laser is proposed and experimentally demonstrated. The technique permits great reconfiguration in the spectrum ...
Llorente, Roberto; Morant, Maria; Sarria, Benjamín; Moreno Navarro, María Salomé(Editorial Universitat Politècnica de València, 2014-07-16)
[ES] Este artículo propone el uso de redes de distribución de contenidos para la mejora de la práctica docente. En esta innovación se ha integrado el uso de nuevas herramientas TIC para la presentación de contenidos en el ...
[EN] The photonic generation of electrical orthogonal frequency-division multiplexing (OFDM) modulated wireless signals in the 75110 GHz band is experimentally demonstrated employing in-phase/quadrature electrooptical ...
Mompó Roselló, Juan José(Universitat Politècnica de València, 2015-01-21)
En este trabajo se ha desarrollado un simulador OCT-TD. Nuestro simulador utiliza el trazado de rayos con el método de Montecarlo para propagar una onda en una muestra. El simulador puede reconstruir una muestra con una ...
Os autores propõem sinais comprimidos de televisão de ultra-alta definição com transmissão de rádio sobre fibra (UHDTV), com o uso de sinais de rádio WiMedia de banda ultra-larga (UWB) nas redes de fibra até a residência. ...
Macho-Ortiz, Andrés; Llorente, Roberto; García Meca, Carlos(American Physical Society, 2018)
[EN] Supersymmetry (SUSY) has recently emerged as a tool to design unique optical structures with degenerate spectra. Here, we study several fundamental aspects and variants of one-dimensional SUSY in axially symmetric ...
García Meca, Carlos; Macho-Ortiz, Andrés; Llorente, Roberto(Nature Publishing Group, 2020-02-10)
[EN] Supersymmetry is a conjectured symmetry between bosons and fermions aiming at solving fundamental questions in string and quantum field theory. Its subsequent application to quantum mechanics led to a ground-breaking ...