Rius Mercado, Manuel; Bolea Boluda, Mario; Mora Almerich, José; Capmany Francoy, José(Institute of Electrical and Electronics Engineers (IEEE), 2016-04-01)
Chirped pulses generation is evaluated and experimentally demonstrated by means of the processing of incoherent optical signals using a non-linear dispersive element. The capability of generating chirped electrical pulses, ...
Ricchiuti, Amelia L.; Suárez Álvarez, Isaac; Barrera Vilar, David; Rodríguez Cantó, Pedro Javier; Fernandez-Pousa, Carlos R.; Abargues, Rafael; Sales Maicas, Salvador; Martinez-Pastor, Juan; Capmany Francoy, José(Institute of Electrical and Electronics Engineers (IEEE), 2014-02-15)
A novel scheme for the control of microwave signals carried at optical wavelengths by use of PbS colloidal quantum dots embedded in PMMA waveguides is presented. When these structures are pumped at wavelengths where PbS ...
Sánchez Costa, Christian; Wei, Jinlong; Ortega Tamarit, Beatriz; Capmany Francoy, José(Institute of Electrical and Electronics Engineers, 2013)
[EN] In this paper, we obtain an analytical formulation to describe the penalty of the main important sources of impairment into the final performance in directly modulated/detected OOFDM systems. These equations aim to ...
Capmany Francoy, José; Fernández-Pousa, Carlos R.(Institute of Electrical and Electronics Engineers (IEEE), 2011-10)
We propose and explore the families of fully tunable, conditional 2 x 2 frequency-domain beamsplitters that result from sideband coupling in phase modulators. Full tunability is obtained by tailoring the driving voltage ...
Pradilla Ceron, Juan Vicente(Universitat Politècnica de València, 2013-11-05)
Esta tesina presenta un sistema de destilación de clave cuántica para el protocolo BB84. La finalidad es implementar y testear el sistema para integrarlo en una solución completa de distribución de clave cuántica de alto ...
Montalvo López, Román(Universitat Politècnica de València, 2023-07-26)
[ES] La fotónica integrada de microondas es un campo que permite generar, procesar y
dirigir señales ópticas mediante circuitos integrados. Esta tecnología ha supuesto un
gran avance en diversos campos relacionados con ...
Flores Vigara, Alex Manuel(Universitat Politècnica de València, 2021-10-09)
[ES] Fabrication variation and variation in grown layer thickness translates into phase errors in integrated photonic devices. These unwanted phase variations lead to a deviation in fabricated device performance as compared ...
Mora Almerich, José; Ruiz Alba Gaya, Antonio; Amaya Ocampo, Waldimar Alexander; Capmany Francoy, José(Institute of Electrical and Electronics Engineers (IEEE), 2011-06)
We propose and experimentally demonstrate that, contrary to what was thought up to now, an efficient BB84 operation is feasible using the double phase modulator (PMPM) configuration in frequency-coded quantum key distribution ...
García Cortijo, Sergi(Universitat Politècnica de València, 2020-07-13)
[EN] Space-division multiplexing fibers emerged as a promising solution to overcome the imminent capacity crunch of conventional singlemode fiber networks. Despite these fibers were initially conceived as distribution media ...
[EN] We propose and experimentally demonstrate the use of directional couplers with an independent phase actuator on each waveguide. We show the configurations that allow the setting of the splitting ratio and the phase ...
Pérez-López, Daniel; Doménech Gómez, José David; Muñoz Muñoz, Pascual; Capmany Francoy, José(Institute of Electrical and Electronics Engineers (IEEE), 2016-10)
We derive analytical approximations for the variation of the effective indices of the fundamental transverse electric (TE) and transverse magnetic (TM) modes with the chemical potential of graphene in three common types ...
We present a proof-of-concept experiment aimed at increasing the sensitivity of Fiber-Bragg-gratings temperature sensors by making use of a weak-value-amplification scheme. The technique requires only linear optics elements ...
Belio Apaolaza, Íñigo Francisco(Universitat Politècnica de València, 2021-10-11)
[ES] El modulador óptico integrado es un componente fundamental en cualquier sistema moderno de radio sobre fibra, ya que tiene una gran influencia en la distorsión que experimenta la señal radio transmitida. "Silicon-on ...
Balbastre Benavent, Natalia(Universitat Politècnica de València, 2023-07-26)
[ES] Los Circuitos Integrados Fotónicos son considerados la próxima gran revolución en los sistemas de información gracias a su capacidad para trabajar en conjunto con la electrónica digital de alta velocidad. Sin embargo, ...
Gutiérrez Zubillaga, Mikel(Universitat Politècnica de València, 2022-10-14)
[ES] Hasta ahora, todos los Circuitos Integrados Fotónicos han sido diseñados, fabricados, encapsulados y validados con el objetivo de implementar una única aplicación. La expansión de esta tecnología está limitada por el ...
Mora Almerich, José; Ruiz Alba Gaya, Antonio; Amaya Ocampo, Waldimar Alexander; Martínez García, Alfonso; García Muñoz, Víctor; Calvo Díaz-Aldagalán, David; Capmany Francoy, José(Optical Society of America, 2012)
We provide, to our knowledge, the first experimental demonstration of the feasibility of sending several parallel keys by exploiting the technique of subcarrier multiplexing (SCM) widely employed in microwave photonics. ...
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 ...
Jofre, M.; Gardelein, A.; Anzolin, G.; Amaya Ocampo, Waldimar Alexander; Capmany Francoy, José; Ursin, R.; Peñate, L.; Lopez, D.; San Juan, J. L.; Carrasco, J. A.; Garcia, F.; Torcal-Milla, F. J.; Sanchez-Brea, L. M.; Bernabeu, E.; Perdigues, J. M.; Jennewein, T.; Torres, J. P.; Mitchell, M. W.; Pruneri, V.(Optical Society of America, 2011)
[EN] A novel integrated optical source capable of emitting faint pulses with different polarization states and with different intensity levels at 100 MHz has been developed. The source relies on a single laser diode followed ...
[EN] We propose a new programmable integrated photonic device, the Field Programmable Photonic Array, which follows a similar rationale as that of Field Programmable Gate Arrays and Field Programmable Analog Arrays in ...
Sancho Durá, Juan; Lloret Soler, Juan Antonio; Gasulla Mestre, Ivana; Sales Maicas, Salvador; Capmany Francoy, José(Optical Society of America, 2012)
[EN] We theoretically and experimentally compare the performance of two fully tunable phase shifter structures based on semiconductor optical amplifiers (SOA) by means of several figures of merit common to microwave photonic ...