Benítez-González, Jesús; Bolea Boluda, Mario; Mora Almerich, José(Institute of Electrical and Electronics Engineers, 2017)
[EN] Low coherence interferometry (LCI) is an optical measurement technique that has attracted the interest for relevant fields like medicine or sensing. With the objective of improving LCI capabilities, microwave photonics ...
Rius Mercado, Manuel; Bolea Boluda, Mario; Mora Almerich, José; Capmany Francoy, José(Institute of Electrical and Electronics Engineers (IEEE), 2016-11-01)
In this letter, we present a high-order impulseradio ultra-wideband (UWB) pulses generator based on the processing of incoherent optical signals by a dispersive element. The full waveform reconfigurability is achieved by ...
Bolea Boluda, Mario; Mora Almerich, José; Ortega Tamarit, Beatriz; Capmany Francoy, José(Optical Society of America: Open Access Journals, 2013-11-18)
We present a high-order UWB pulses generator based on a microwave photonic filter which provides a set of positive and negative samples by using the slicing of an incoherent optical source and the phase inversion in a ...
Bolea Boluda, Mario; Mora Almerich, José; Chen, Lawrence R.; Capmany Francoy, José(Institute of Electrical and Electronics Engineers (IEEE), 2011-09-01)
[EN] A photonic structure is proposed to implement a chirped single-bandpass filter based on a broadband optical source, an inteferometric structure, and a nonlinear dispersive element. The ability of controlling a ...
Bolea Boluda, Mario; Mora Almerich, José; Ortega Tamarit, Beatriz; Capmany Francoy, José(Optical Society of America, 2011)
We propose a novel photonic structure to implement a chirped single-bandpass microwave photonic filter based on the amplitude modulation of a broadband optical signal transmitted by a non-linear dispersive element and an ...
Rius Mercado, Manuel; Bolea Boluda, Mario; Mora Almerich, José; Capmany Francoy, José(Institute of Electrical and Electronics Engineers, 2017)
[EN] We propose and experimentally demonstrate a fullyreconfigurable generator of chirped microwave pulses based on the processing of an incoherent optical signal by means of a dispersive element with a non-uniform optical ...
Capmany Francoy, José; Sales Maicas, Salvador; Gasulla Mestre, Ivana; Mora Almerich, José; Lloret Soler, Juan Antonio; Sancho Durá, Juan(Instituto de Telecomunicaciones y Aplicaciones Multimedia (ITEAM), 2012)
This paper reports the work carried by ITEAM researchers
on novel concepts in the field of Microwave Photonics
(MWP). It includes activities related to the general modelling
of MWP systems, the use of novel multicore ...
Moreno, Vanessa; Rius Mercado, Manuel; Mora Almerich, José; Muriel Fernandez, Miguel Angel; Capmany Francoy, José(Optical Society of America: Open Access Journals, 2013-09-23)
We propose and experimentally demonstrate a potentially integrable optical scheme to generate high order UWB pulses. The technique is based on exploiting the cross phase modulation generated in an InGaAsP Mach-Zehnder ...
Benítez-González, Jesús; Mora Almerich, José(Institute of Electrical and Electronics Engineers, 2018-10-01)
[EN] A photonic structure is proposed by exploiting the advantages of the Microwave Photonics technology over conventional low coherence interferometry. The proposed scheme is based in the analysis of the interference ...
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 ...
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 ...
Grassi Marangione, Fulvio(Universitat Politècnica de València, 2011-11-14)
[ES] En este trabajo se ha realizado el análisis, modelado y validación de una herramienta de
simulación para sistemas de comunicaciones ópticas basada en el entorno Simulink y destinada a la
evaluación de parámetros ...
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 ...
Bolea Boluda, Mario; Mora Almerich, José; Ortega Tamarit, Beatriz; Capmany Francoy, José(Optical Society of America, 2012)
A novel all-optical technique based on the incoherent processing
of optical signals using high-order dispersive elements is analyzed for
microwave arbitrary pulse generation. We show an approach which allows a
full ...
Vallejo-Castro, Luis; Mora Almerich, José; Nguyen, Dong-Nhat; Bohata, Jan; Almenar Terre, Vicenç; Zvanovec, Stanislav; Ortega Tamarit, Beatriz(Institute of Electrical and Electronics Engineers, 2021-11-01)
[EN] Local and remote photonic millimeter wave (mmW) signal generation schemes are theoretically and experimentally evaluated in order to compare both approaches for practical deployment in a cloud radio access network ...
Chicharro López, Francisco Israel; Ortega Tamarit, Beatriz; Diego Antón, María de; Mora Almerich, José(Institute of Electrical and Electronics Engineers, 2017)
[EN] In this letter, optical OFDM signal transmission is
demonstrated by using a broadband optical source over a 10 km
fiber link. OFDM signal transmission usually employs lasers to
generate the optical carrier since the ...
Bolea Boluda, Mario; Mora Almerich, José; Ortega Tamarit, Beatriz; Capmany Francoy, José(Institute of Electrical and Electronics Engineers (IEEE), 2011-05-15)
[EN] We propose a novel optical arbitrary waveform generator which allows us to control the generated waveform both in terms of the signal shape and the frequency tuning. The system is based on the amplitude modulation of ...
Ortega Tamarit, Beatriz; Mora Almerich, José; Chulia, R.(Institute of Electrical and Electronics Engineers (IEEE), 2016-06)
This paper proposes an optical beamforming network for a 2-D array antenna in a broad direction range with subarray antenna partitioning capability. With reasonable cost and volume, this optical true time delay beamformer ...
Chicharro López, Francisco Israel; Ortega Tamarit, Beatriz; Mora Almerich, José(Elsevier, 2016)
[EN] A new high spectral efficient SSB-OOFDM DWDM transmission system has been experimentally demonstrated.
The proposed transmitter employs paired optical channels consisting of two SSB modulated
OFDM signals using ...
Ruiz Alba Gaya, Antonio; Calvo Díaz-Aldagalán, David; García Muñoz, Víctor; Martínez García, Alfonso; Amaya Ocampo, Waldimar Alexander; ROZO CHICUE, JUAN GUILLERMO; Mora Almerich, José; Capmany Francoy, José(Instituto de Telecomunicaciones y Aplicaciones Multimedia (iTEAM), 2011)
[EN] This paper provides a review of the most important and widely used Quantum Key Distribution systems and then describes our recently proposed scheme based on Subcarrier Multiplexing that opens the possibility of parallel ...