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Browsing by Author "Mora Almerich, José"

Now showing items 1-20 of 62

Advanced RF Interferometry Structure for Improving Operation Range

Benítez-González, Jesús; Mora Almerich, José (Institute of Electrical and Electronics Engineers, 2018)

[EN] In this letter, a novel structure combining low coherence interferometry (LCI) and microwave photonics (MWP) is proposed. In this case, the electro-optic modulator is strategically placed inside the interferometric ...
Amplificación de la tasa de bit para distribución de clave cuántica basada en funciones hash criptográficas

Pradilla Ceron, Juan Vicente; Mora Almerich, José; Capmany Francoy, José (Sociedad Española de Óptica, 2013)

[EN] The security is a research area in a continuous evolving field and represents one of the most important perspective future lines in telecommunications. This work is focused on new techniques and methods employing ...
Analysis and viability of WDM Technology in POF Access networks

Piñera Buendía, Pedro (Universitat Politècnica de València, 2015-01-30)

En este TFG analizaremos la viabilidad de implementar un sistema WDM en redes de acceso, en concreto en una red de interior del hogar, eligiendo como medio de transmisión fibras de núcleo de plástico. Para abordarlo ...
Análisis de la distorsión armónica en filtros fotónicos de microondas

Rius Mercado, Manuel (Universitat Politècnica de València, 2013-07-12)

[ES] En este trabajo se presenta un análisis de la distorsión armónica en filtros fotónicos de microondas. Por una parte, se ha realizado un desarrollo teórico de la función de transferencia de filtros fotónicos de ...
Aplicación de los amplificadores ópticos de semiconductor a la fotónica de microondas

Manzanedo Martínez, María Dolores (Universitat Politècnica de València, 2013-07-01)

Esta tesis se centra en el estudio de los fenómenos no lineales como la modulación cruzada de ganancia (XGM, cross gain modulation) y la modulación cruzada de fase (XPM, cross phase modulation) en amplificadores ópticos ...
Bidirectional WDM-OOFDM access network based on a sliceable optical transceiver with colorless ONUs

Sekkiou, Imene; Chicharro López, Francisco Israel; Ortega Tamarit, Beatriz; Mora Almerich, José (Elsevier, 2018)

[EN] A WDM OOFDM access network using a centralized optical transceiver based on a single optical broadband sliced source at the Central Office is presented as a low cost solution. Such network offers downlink and uplink ...
Broadband optical sources for low-cost WDM-MB-OFDM networks

Chicharro López, Francisco Israel; Ortega Tamarit, Beatriz; Diego Antón, María de; Mora Almerich, José (Institute of Electrical and Electronics Engineers, 2017)

[EN] Multiband OFDM signal transmission through a 10 km optical fiber link is experimentally demonstrated by using a broadband source. We propose the use of optical broadband sources in multiband OFDM signal transmitters ...
Centralized full-duplex seamless photonic mmW fronthaul link based on phase modulation

Bohata, J.; Botella-Campos, Marta; Mora Almerich, José; Ortega Tamarit, Beatriz; Zvanovec, S. (The Optical Society, 2024-06)

[EN] We experimentally demonstrate a photonic full-duplex seamless millimeter wave fronthaul link, based on phase modulation, to address the challenges arising from the increased demands on the mobile fronthaul capacity ...
Centralized transmission techniques for full-duplex reconfigurable WDM optical access networks

GRASSI MARANGIONE, FULVIO (Universitat Politècnica de València, 2013-12-16)

This Thesis investigates and develops novel bidirectional and reconfigurable optical access architectures based on WDM technology with the aim of solving the problem of cost and complexity associated to the WDM-PON ...
Chirped waveform generation with envelope reconfigurability for pulse compression radar

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, ...
Demonstration of M-QAM OFDM bidirectional 60/25 GHz transmission over 10 km Fiber, 100 m FSO and 2 m radio seamless heterogeneous fronthaul link

Vallejo, Luis; Ortega Tamarit, Beatriz; Mora Almerich, José; Nguyen, D.-N.; Guerra, C.; Bohata, J.; Spacil, J.; Zvanovec, S. (Elsevier, 2023-05)

[EN] In this paper, we demonstrate the experimental transmission of 16-and 64-quadrature amplitude modulation (QAM) Long Term Evolution -Orthogonal Frequency Division Multiplexing (LTE-OFDM) signals by using mil-limetre ...
Demonstration of multiplexed sensor system combining low coherence interferometry and microwave photonics

Benítez, Jesús; Bolea, Mario; Mora Almerich, José (The Optical Society, 2017)

[EN] In this work, a multiplexed sensor system is proposed by means of the combination of low coherence interferometry (LCI) and microwave photonics (MWP). Variations of physical magnitudes can be measured in an array of ...
Desarrollo de Antenas Inteligentes basadas en conformación óptica de haces multiplexados espacialmente

Chuliá Mena, Rubén (Universitat Politècnica de València, 2015-01-30)

Las redes de difracción de Bragg (FBG) son dispositivos ópticos con un gran potencial en el ámbito del apuntamiento de haces en agrupaciones de antenas. Sus características facilitan la implementación de redes conformadoras ...
Destilación de Clave Cuántica

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 ...
Dispersion supported BB84 quantum key distribution using phase modulated light

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 ...
Experimental demonstration of subcarrier multiplexed quantum key distribution system

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. ...
Experimental photonic generation of chirped pulses using nonlinear dispersion-based incoherent processing

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 ...
Fotónica de microondas aplicada a la interferometría de baja coherencia

Benítez González, Jesús (Universitat Politècnica de València, 2019-06-25)

[ES] La interferometría de baja coherencia (Low Coherence Interferometry, LCI) es una técnica óptica de medida de distancias capaz de alcanzar resoluciones del orden de las micras en la dirección axial de la muestra. Su ...
Generación de señales IR-UWB mediante filtrado fotónico

Bolea Boluda, Mario (Universitat Politècnica de València, 2013-02-26)

[ES] En este trabajo se presenta una nueva arquitectura para la generación de señales de RF aplicable a las transmisiones UWB. Dicha arquitectura está basada en un filtro fotónico de microondas de N muestras que permite ...
Harmonic and Intermodulation Distortion Analysis in Directly Modulated Lasers Over Local and Remote Photonically Generated Millimeter-Wave Signals

Vallejo-Castro, Luis; Mora Almerich, José; Ortega Tamarit, Beatriz (Institute of Electrical and Electronics Engineers, 2022-08-01)

[EN] This paper presents a comprehensive analytical derivation and experimental evaluation of the impact of harmonic and intermodulation distortion on data transmission over local and remote photonically generated millimeter ...