Listar Artículos de revista DIEC - IEKS Aldizkari artikuluak por título
Mostrando ítems 176-195 de 461
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Gain-boosted super class AB OTAs based on nested local feedback
Beloso Legarra, Javier
; Cruz Blas, Carlos Aristóteles de la ; López Martín, Antonio ; Ramírez-Angulo, Jaime (IEEE, 2021)
Artículo / Artikulua 
A new approach to design super class AB operational transcon-ductance amplifiers (OTAs) with enhanced large-signal and small-signal performance is presented. It is based on employing two nested positive and negative feedback ... -
Gamification for photonics students: labescape
Pérez Herrera, Rosa Ana ; Tainta Ausejo, Santiago ; Elosúa Aguado, César (MDPI, 2021)
Artículo / Artikulua
The idea of utilizing game elements in non-gaming situations has sparked a lot of attention in recent years, especially in topics such as education and training. Game-based techniques appear to be an increasing trend in a ... -
Gamma radiation-induced effects over an optical fiber laser: towards new sensing applications
Pérez Herrera, Rosa Ana ; Stancalie, Andrei; Cabezudo Sánchez-Valverde, Pablo Miguel; Sporea, Dan; López-Amo Sáinz, Manuel (MDPI, 2020)
Artículo / Artikulua
In the present work, the effect of gamma radiation on the performance of different types of erbium-doped fibers (EDFs) when they are used in a fiber ring cavity (FRC) configuration is studied. Several pieces of commercial ... -
Gap waveguide topology with reduced height pins for millimeter-wave components
Santiago Arriazu, David; Gómez Laso, Miguel Ángel ; Lopetegui Beregaña, José María; Arregui Padilla, Iván (URSI Publications, 2022)
Artículo / Artikulua
A new topology for groove gap waveguide (GGW) technology is proposed to ease its manufacturing process by computer numerical control (CNC) milling. GGW technology consists of two metal plates, where one of them presents a ... -
Gas detection using LMR-based optical fiber sensors
Dreyer, Uilian José; Ozcariz Celaya, Aritz ; Ascorbe Muruzabal, Joaquín ; Zubiate Orzanco, Pablo ; Vitoria Pascual, Ignacio ; Martelli, Cicero; Cardozo da Silva, Jean Carlos; Ruiz Zamarreño, Carlos (MDPI, 2018)
Artículo / Artikulua
This work presents a first approach to the utilization of Lossy Mode Resonance (LMR) based optical fiber sensors for gas detection. The optical sensor is based on a SnO2 thin-film fabricated onto the core of cladding ... -
Gas sensor based on lossy mode resonances by means of thin graphene oxide films fabricated onto planar coverslips
Vitoria Pascual, Ignacio ; Gallego Martínez, Elieser Ernesto; Melendi Espina, Sonia; Hernáez Sáenz de Zaitigui, Miguel ; Ruiz Zamarreño, Carlos ; Matías Maestro, Ignacio (MDPI, 2023)
Artículo / Artikulua
The use of planar waveguides has recently shown great success in the field of optical sensors based on the Lossy Mode Resonance (LMR) phenomenon. The properties of Graphene Oxide (GO) have been widely exploited in various ... -
Gaze tracking system model based on physical parameters
Villanueva Larre, Arantxa ; Cabeza Laguna, Rafael ; Porta Cuéllar, Sonia (World Scientific Publishing, 2007)
Artículo / Artikulua
In the past years, research in eye tracking development and applications has attracted much attention and the possibility of interacting with a computer employing just gaze information is becoming more and more feasible. ... -
General synthesis of tapered matching sections for single mode operation using the coupled-mode theory
Percaz Ciriza, Jon Mikel ; Arnedo Gil, Israel ; Arregui Padilla, Iván ; Teberio Berdún, Fernando ; Martín Iglesias, Petronilo; Gómez Laso, Miguel Ángel ; Lopetegui Beregaña, José María (IEEE, 2019)
Artículo / Artikulua
In this paper, a novel and general method to synthetize microwave waveguide tapers intended for single mode operation is proposed. The technique is based on the use of an exact series solution of the inverse scattering ... -
Generalized approach to quantum interference in lossy N-port devices via a singular value decomposition
Hernández Martínez, Osmery; Liberal Olleta, Íñigo (Optica, 2022)
Artículo / Artikulua
Modeling quantum interference in the presence of dissipation is a critical aspect of quantum technologies. Including dissipation into the model of a linear device enables for assessing the detrimental impact of photon loss, ... -
Generation of lossy mode resonances (LMR) using perovskite nanofilms
Armas, Dayron; Matías Maestro, Ignacio ; López-González, M. Carmen; Ruiz Zamarreño, Carlos ; Zubiate Orzanco, Pablo ; Del Villar, Ignacio ; Romero, Beatriz (Chinese Academy of Sciences, 2024)
Artículo / Artikulua
The results presented here show for the first time the experimental demonstration of the fabrication of lossy mode resonance (LMR) devices based on perovskite coatings deposited on planar waveguides. Perovskite thin films ... -
Generation of lossy mode resonances in a broadband range with multilayer coated coverslips optimized for humidity sensing
Bohórquez Navarro, Dina Luz ; Del Villar, Ignacio ; Corres Sanz, Jesús María ; Matías Maestro, Ignacio (Elsevier, 2020)
Artículo / Artikulua
Coverslips deposited with a metallic oxide can be employed for generating lossy mode resonances by lateral incidence of light on the coverslip. Here it is demonstrated that with copper oxide the fading observed with other ... -
Generation of lossy mode resonances in planar waveguides toward development of humidity sensors
Fuentes Lorenzo, Omar; Corres Sanz, Jesús María ; Matías Maestro, Ignacio ; Del Villar, Ignacio (IEEE, 2019)
Artículo / Artikulua
Lossy mode resonances (LMRs) are typically obtained with optical fibre. The Kretschmann configuration is an alternative but LMRs are generated with angles approaching grazing incidence. In this work, a new setup is explored, ... -
Generation of lossy mode resonances with different nanocoatings deposited on coverslips
Fuentes Lorenzo, Omar; Goicoechea Fernández, Javier ; Corres Sanz, Jesús María ; Del Villar, Ignacio ; Ozcariz Celaya, Aritz ; Matías Maestro, Ignacio (Optical Society of America, 2020)
Artículo / Artikulua
The generation of lossy mode resonances (LMRs) with a setup based on lateral incidence of light in coverslips is a simple platform that can be used for sensing. Here the versatility of this platform is proved by studying ... -
Geometry-independent antenna based on Epsilon-near-zero medium
Li, Hao; Zhou, Ziheng; He, Yijing; Sun, Wangyu; Li, Yue; Liberal Olleta, Íñigo ; Engheta, Nader (Springer Nature, 2022)
Artículo / Artikulua
It is well known that electromagnetic radiation from radiating elements (e.g., antennas, apertures, etc.) shows dependence on the element’s geometry shape in terms of operating frequencies. This basic principle is ... -
Graphene-based electrodes for silicon heterojunction solar cell technology
Torres, Ignacio; Fernández, Susana; Fernández Vallejo, Montserrat; Arnedo Gil, Israel ; Gandía, José Javier (MDPI, 2021)
Artículo / Artikulua
Transparent conductive electrodes based on graphene have been previously proposed as an attractive candidate for optoelectronic devices. While graphene alone lacks the antireflectance properties needed in many applications, ... -
Grating lobes in higher-order correlation functions of arrays of quantum emitters: directional photon bunching versus correlated directions
Liberal Olleta, Íñigo ; Ederra Urzainqui, Íñigo ; Ziolkowski, Richard W. (MDPI, 2019)
Artículo / Artikulua
Recent advances in nanofabrication and optical manipulation techniques are making it possible to build arrays of quantum emitters with accurate control over the locations of their individual elements. In analogy with ... -
Health indicator selection for state of health estimation of second-life lithium-ion batteries under extended ageing
Braco Sola, Elisa; San Martín Biurrun, Idoia ; Sanchis Gúrpide, Pablo ; Ursúa Rubio, Alfredo ; Stroe, Daniel-Ioan (Elsevier, 2022)
Artículo / Artikulua
Nowadays, the economic viability of second-life (SL) Li-ion batteries from electric vehicles is still uncertain. Degradation assessment optimization is key to reduce costs in SL market not only at the repurposing stage, ... -
Heterogeneous Fenton- and photo-Fenton-like catalytic degradation of emerging pollutants using Fe2O3/TiO2/pillared clays synthesized from aluminum industrial wastes
Cardona, Yaneth ; Wegrzyn, Agnieszka; Miskowiec, Pawel; Korili, Sophia A. ; Gil Bravo, Antonio (Elsevier, 2023)
Artículo / Artikulua
The presence of emerging pollutants (EPs) in water is a major environmental concern. This study evaluates for the first time the removal of three EPs, namely triclosan (TCS), 2,6-dichlorophenol (2,6-DCP), and bisphenol A ... -
Hg2+ optical fiber sensor based on LSPR generated by gold nanoparticles embedded in LBL nano-assembled coatings
Martínez Hernández, María Elena ; Goicoechea Fernández, Javier ; Arregui San Martín, Francisco Javier (MDPI, 2019)
Artículo / Artikulua
Mercury is an important contaminant since it is accumulated in the body of living beings, and very small concentrations are very dangerous in the long term. This paper reports the fabrication of a highly sensitive fiber ... -
High gain/bandwidth off-chip antenna loaded with metamaterial unit-cell impedance matching circuit for sub-terahertz near-field electronic systems
Alibakhshikenari, Mohammad; Virdee, Bal S.; Mariyanayagam, Dion; Vadalà, Valeria; Naser-Moghadasi, Mohammad; See, Chan H.; Dayoub, Iyad; Aïssa, Sonia; Livreri, Patrizia; Burokur, Shah Nawaz; Pietrenko-Dabrowska, Anna; Falcone Lanas, Francisco Javier ; Koziel, Slawomir; Limiti, Ernesto (Springer, 2022)
Artículo / Artikulua
An innovative of-chip antenna (OCA) is presented that exhibits high gain and efciency performance at the terahertz (THz) band and has a wide operational bandwidth. The proposed OCA is implemented on stacked silicon layers ...
