Rius Mercado, Manuel; Bolea Boluda, Mario; Mora Almerich, José; Ortega Tamarit, Beatriz; Capmany Francoy, José(Optical Society of America: Open Access Journals, 2015-05-18)
We experimentally demonstrate, for the first time, a chirped microwave pulses generator based on the processing of an incoherent optical signal by means of a nonlinear dispersive element. Different capabilities have been ...
Clement, J.; Hervás-Peralta, Javier; Madrigal-Madrigal, Javier; Maestre, H; Torregrosa, G.; Fernandez-Pousa, Carlos R.; Sales Maicas, Salvador(Institute of Electrical and Electronics Engineers, 2018-10-01)
[EN] We present two implementations of fast, discrete incoherent optical frequency-domain reflectometers (I-OFDR) for the interrogation of equally spaced fiber Bragg grating (FBG) arrays, based on the determination of the ...
[EN] In this letter, we present a scalable high-speed W-band (75-110-GHz) fiber wireless communication system. By using an optical frequency comb generator, three-channel 8.3-Gb/s/ch optical orthogonal frequency-division ...
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 ...
[EN] The introduction of 5G mobile networks, bringing
multi-Gbit/s user data rates and reduced latency, opens new
opportunities for media generation, transport and distribution,
as well as for new immersive media applications. ...
[EN] Microwave photonics is a promising solution to transmit millimeter wave (mmW) signals for the 5th generation (5G) mobile communications as part of a centralized radio access network (C-RAN). In this paper, we ...
Capmany Francoy, José; Fernández Pousa, Carlos R.(Institute of Electrical and Electronics Engineers (IEEE), 2011)
[EN] This paper extends the analysis presented in a previous contribution to account for the effect of third-order intermodulation distortion in the system quantum bit error rate attainable in subcarrier multiplexed quantum ...
[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 ...
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 ...
Hervás-Peralta, Javier; Barrera Vilar, David; Madrigal-Madrigal, Javier; Sales Maicas, Salvador(Institute of Electrical and Electronics Engineers, 2018)
[EN] An interrogation technique of cascaded FBG sensors
based on a microwave photonics filtering technique under coherent
regime is presented. The sensing information of a 5-m fiber
coil containing 500 weak FBG with a ...
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] We review the introduction of the space dimension into fiber-based technologies to
implement compact and versatile signal processing solutions for microwave and millimeter wave
signals. Built upon multicore fiber ...
[EN] We demonstrate a simple way to fabricate phase-shifted fiber Bragg grating in polymer optical fibers as a narrowband transmission filter for a variety of applications at telecom wavelengths. The filters have been ...
[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, ...
Ureña Gisbert, Mario(Universitat Politècnica de València, 2023-09-07)
[ES] Las fibras de multiplexación por división espacial surgieron en la última década como solución al cuello de botella en la capacidad en las redes de comunicación de fibra óptica monomodo. Utilizan el espacio, la última ...
The performance of a dual parallel differential Mach Zehnder modulator broadband linearization architecture is analysed. This study provides experimental and analytical results showing an enhancement up to 20 dB in the ...
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 ...