Gasulla Mestre, Ivana(Editorial Universitat Politècnica de València, 2008-12-22)
El rápido crecimiento en la demanda de capacidad de transmisión en las redes incorporadas y de acceso al usuario ha promovido la tendencia actual a valerse de la infraestructura existente de fibra óptica multimodo (MMF) ...
Ruiz Alba Gaya, Antonio(Universitat Politècnica de València, 2012-07-19)
Esta tesis se centra en el estudio de la aplicabilidad que dos disciplinas, la fotónica de microondas (MWP) y las comunicaciones cuánticas, pueden aportar en el desarrollo de nuevos sistemas de distribución de clave cuántica ...
Ruiz Alba Gaya, Antonio(Universitat Politècnica de València, 2013-02-25)
[ES] Este trabajo presenta un sistema de distribución de clave cuántica con codificación en
frecuencia (FC-QKD) usando la técnica de multiplexado de subportadora (SCM). La finalidad de este
trabajo consiste en aumentar ...
[EN] Recently developed, highly effective technologies
enabling slow light propagation as a tunable feature in photonic
devices, are reviewed. Several applications in ICT are also
demonstrated. Controlling the group ...
Pérez, Daniel; Gasulla Mestre, Ivana; Capmany Francoy, José(Optical Society of America, 2015-05)
We propose, for the first time to our knowledge, a software-defined reconfigurable microwave photonics signal processor architecture that can be integrated on a chip and is capable of performing all the main functionalities ...
Capmany Francoy, José; Fernandez-Pousa, Carlos R.(IOP Publishing, 2011-02-14)
[EN] Electro-optic phase modulators driven by a single radio-frequency tone ¿ can be described at the quantum level as scattering devices where input single-mode radiation undergoes energy changes in multiples of h¿. In ...
[EN] An optical true time delay line (OTTDL) is a basic photonic building block that enables many microwave photonic and optical processing operations. The conventional design for an integrated OTTDL that is based on spatial ...
Sánchez Costa, Christian; Ortega Tamarit, Beatriz; Capmany Francoy, José(Optical Society of America: Open Access Journals, 2014-03-24)
In this work we propose a pre-distortion technique for the mitigation of the nonlinear distortion present in directly modulated/detected OOFDM systems and explore the system performance achieved under varying system ...
Lloret Soler, Juan Antonio; Ramos Pascual, Francisco; Xue, Weiqi; Sancho Durá, Juan; Gasulla Mestre, Ivana; Sales Maicas, Salvador; Mork, Jesper; Capmany Francoy, José(Institute of Electrical and Electronics Engineers (IEEE), 2011)
[EN] Different optical filtering scenarios involving microwave photonic phase shifters based on semiconductor optical amplifiers are investigated numerically as well as experimentally with respect to noise performance. ...
[EN] Reconfigurable optical chips made from 2D meshes of connected waveguides could pave the way for programmable, general purpose microwave photonics processors.
Pérez-López, Daniel; Gasulla Mestre, Ivana; Capmany Francoy, José; Sánchez Fandiño, Javier Antonio; Muñoz Muñoz, Pascual; Alavi, Hossein(Optical Society of America, 2016-09-05)
We develop, analyze and apply a linearization technique based on dual parallel Mach-Zehnder modulator to self-beating microwave photonics systems. The approach enables broadband low-distortion transmission and reception ...
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 ...
Doménech Gómez, José David; Muñoz Muñoz, Pascual; Capmany Francoy, José(Optical Society of America, 2011)
[EN] In this Letter, the amplitude and group delay characteristics of coupled resonator optical waveguides apodized through the longitudinal offset technique are presented. The devices have been fabricated in silicon-on-insulator ...
Lloret Soler, Juan Antonio; Sancho Durá, Juan; Pu, M.; Gasulla Mestre, Ivana; Yvind, K.; Sales Maicas, Salvador; Capmany Francoy, José(Optical Society of America, 2011)
A complex-valued multi-tap tunable microwave photonic filter based on single silicon-on-insulator microring resonator is presented. The degree of tunability of the approach involving two, three and four taps is theoretical ...
Lloret Soler, Juan Antonio; Kumar, R.; Sales Maicas, Salvador; Ramos Pascual, Francisco; Morthier, Geert; Mechet, P.; Spuesens, T.; Van Thourhout, D.; Olivier, N.; Fedeli, J.M.; Capmany Francoy, José(Optical Society of America, 2012-05-15)
[EN] A novel ultracompact electro-optic phase modulator based on a single 9 ¥ìm-diameter III-V microdisk resonator heterogeneously integrated on and coupled to a nanophotonic waveguide is presented. Modulation is enabled ...
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. ...
Moreno, Vanessa; Mora Almerich, José; Barrera Vilar, David; Muriel, M.A.; Capmany Francoy, José(Institute of Electrical and Electronics Engineers (IEEE), 2016-11-01)
In this letter, we propose and experimentally demonstrate an efficient and scalable photonic superstructure employed for ultrawideband (UWB) pulses modulation purposes. This design is based on the combination of a phase ...
[EN] We present a novel bidirectional WDM-based optical access network featuring reconfigurable capacity assignment. The architecture relies on the PolMUX technique allowing a compact, flexible, and bandwidth-efficient ...