Listar Artículos de revista - Aldizkari artikuluak por autor UPNA "Ederra Urzainqui, Íñigo"
Mostrando ítems 1-20 de 37
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300 GHz optoelectronic transmitter combining integrated photonics and electronic multipliers for wireless communication
Ali, Muhsin; Pérez Escudero, José Manuel
; Guzmán Martínez, Robinson Cruzoe; Lo, Mu Chieh; Ederra Urzainqui, Íñigo ; Gonzalo García, Ramón ; García Muñoz, Luis Enrique (MDPI, 2019)
Artículo / Artikulua 
THz communications systems at carrier frequencies above 200 GHz are the key to enable next-generation mobile communication networks with 100 Gbit/s wireless data rates. One of the key questions is, which carrier frequency ... -
Broadband radar cross-section reduction using AMC technology
Iriarte Galarregui, Juan Carlos ; Tellechea Pereda, Amagoia ; Martínez de Falcón, José Luis ; Ederra Urzainqui, Íñigo ; Gonzalo García, Ramón ; Maagt, Peter de (IEEE, 2013)
Artículo / Artikulua
This paper presents the design, fabrication and characterization of a planar broadband chessboard structure to reduce the radar cross-section (RCS) of an object. The chessboard like configuration is formed by combining two ... -
Bull’s-eye antenna with circular polarization at millimeter waves based on ridge gap waveguide technology
Pérez Quintana, Dayan ; Ederra Urzainqui, Íñigo ; Beruete Díaz, Miguel (IEEE, 2021)
Artículo / Artikulua
In this communication, a Bull’s-Eye (BE) antenna with circular polarization (CP) based on ridge gap waveguide (RGW) technology is numerically and experimentally demonstrated. The structure is excited from the bottom with ... -
A Chebyshev transformer-based microstri-to-groove-gap-waveguide inline transition for MMIC packaging
Pérez Escudero, José Manuel ; Torres García, Alicia E. ; Gonzalo García, Ramón ; Ederra Urzainqui, Íñigo (IEEE, 2019)
Artículo / Artikulua
The gap waveguide technology has become an alternative to millimeter- and submillimeter-wave electronic circuit packaging thanks to the loss reduction associated with its use. In this paper, a simplified design of an inline ... -
Circuit and multipolar approaches to investigate the balance of powers in 2D scattering problems
Liberal Olleta, Íñigo ; Ederra Urzainqui, Íñigo ; Gonzalo García, Ramón ; Ziolkowski, Richard W. (EMW Publishing, 2013)
Artículo / Artikulua
Circuit and multipolar approaches are presented to investigate the correlation between absorption and scattering processes in 2D problems. This investigation was inspired by earlier works of Prof.R.E. Collin, which pointed ... -
Compact groove diamond antenna in gap waveguide technology with broadband circular polarization at millimeter waves
Pérez Quintana, Dayan ; Torres García, Alicia E. ; Ederra Urzainqui, Íñigo ; Beruete Díaz, Miguel (IEEE, 2020)
Artículo / Artikulua
In this paper, three compact antennas using the Ridge Gap Waveguide (RGW) technology working in the millimeter-wave band (60 GHz), with a high-purity and broadband circular polarization (CP) are numerically and experimentally ... -
A comprehensive analysis of the absorption spectrum of conducting ferromagnetic wires
Liberal Olleta, Íñigo ; Ederra Urzainqui, Íñigo ; Gómez Polo, Cristina ; Labrador Otamendi, Alberto; Pérez de Landazábal Berganzo, José Ignacio ; Gonzalo García, Ramón (IEEE, 2012)
Artículo / Artikulua
A detailed analysis of the absorption spectrum of conductive ferromagnetic wires is presented. The absorption spectrum is computed from the solution to the scattering problem, and circuit models are formulated to clarify ... -
Decoupling of multifrequency dipole antenna arrays for microwave imaging applications
Sáenz Sáinz, Elena; Guven, K.; Ozbay, Ekmel; Ederra Urzainqui, Íñigo ; Gonzalo García, Ramón (Hindawi Publishing Corporation, 2010)
Artículo / Artikulua
The mutual coupling between elements of a multifrequency dipole antenna array is experimentally investigated by S-parameter measurements and planar near-field scanning of the radiated field. A multifrequency array with ... -
Design of 300 ghz combined doubler/subharmonic mixer based on schottky diodes with integrated mmic based local oscillator
Pérez Escudero, José Manuel ; Quemada Mayoral, Carlos ; Gonzalo García, Ramón ; Ederra Urzainqui, Íñigo (MDPI, 2020)
Artículo / Artikulua
In this paper the design and experimental characterization of a combined doublersubharmonic mixer based on Schottky diodes which uses a 75 GHz MMIC based local oscillator is presented. This solution integrates in the same ... -
Dispersion properties of an elliptical patch with cross shaped aperture for synchronized propagation of transverse magnetic and electric surface waves
Tellechea Pereda, Amagoia ; Ederra Urzainqui, Íñigo ; Gonzalo García, Ramón ; Iriarte Galarregui, Juan Carlos (MDPI, 2018)
Artículo / Artikulua
This paper presents a novel pixel geometry for the implementation of metasurfaces requiring synchronized phase propagation of transverse magnetic (TM) and transverse electric (TE) modes. The pixel is composed by an elliptical ... -
Dual circularly polarized broadside beam metasurface antenna
Ederra Urzainqui, Íñigo ; Tellechea Pereda, Amagoia ; Caminita, Francesco; Martini, Enrica; Iriarte Galarregui, Juan Carlos ; Gonzalo García, Ramón ; Maci, Stefano (IEEE, 2016)
Artículo / Artikulua
This paper presents the design of a modulated metasurface (MTS) antenna capable to provide both righthand (RH) and left-hand (LH) circularly polarized (CP) boresight radiation at Ku-band (13.5 GHz). This antenna is based ... -
Electromangetic force density in electrically and magnetically polarizable media
Liberal Olleta, Íñigo ; Ederra Urzainqui, Íñigo ; Gonzalo García, Ramón ; Ziolkowski, Richard W. (American Physical Society, 2013)
Artículo / Artikulua
The force density induced by electromagnetic fields in electrically and magnetically polarizable media is studied analytically. Different formulations of the force density as a function of field-related quantities, ... -
Evanescently fed electromagnetic band-gap horn antennas and arrays
Khromova, Irina ; Ederra Urzainqui, Íñigo ; Teniente Vallinas, Jorge ; Gonzalo García, Ramón ; Esselle, Karu P. (IEEE, 2012)
Artículo / Artikulua
The design of a horn antenna based on electromagnetic band-gap structures (EBGs) and fed by evanescent fields in the containing periodic structure is presented. Such all-dielectric antennas can form compact arrays and ... -
Experimental validation of a Ku-band dual circularly polarized metasurface antenna
Tellechea Pereda, Amagoia ; Caminita, Francesco; Martini, Enrica; Ederra Urzainqui, Íñigo ; Teniente Vallinas, Jorge ; Iriarte Galarregui, Juan Carlos ; Gonzalo García, Ramón ; Maci, Stefano (IEEE, 2018)
Artículo / Artikulua
The experimental validation of a Ku-band dual circularly polarized (CP) broadside-beam metasurface (MTS) antenna is presented. A radially modulated anisotropic single layer MTS has been synthesised employing sub-wavelength ... -
Fe-rich ferromagnetic wires for self-sensing materials
Liberal Olleta, Íñigo ; Ederra Urzainqui, Íñigo ; Gonzalo García, Ramón (IEEE, 2012)
Artículo / Artikulua
The possibility of using Fe-rich wires in mechanical stress self-sensing materials is investigated. To this end, a retrieval technique aimed to characterize the high-frequency magnetoimpedance effect in ferromagnetic wires ... -
Fully metallic Luneburg metalens antenna in gap waveguide technology at V-band
Pérez Quintana, Dayan ; Bilitos, Christos; Ruiz-García, Jorge; Ederra Urzainqui, Íñigo ; Teniente Vallinas, Jorge ; González-Ovejero, David; Beruete Díaz, Miguel (IEEE, 2023)
Artículo / Artikulua
This article presents the design of a flat Luneburg metalens antenna at V-band using gap waveguide (GW) technology. The metalens consists of a parallel plate waveguide (PPW) loaded with metallic pins whose height is ... -
A gap waveguide-based compact rectangular waveguide to a packaged microstrip inline transition
Pérez Escudero, José Manuel ; Torres García, Alicia E. ; Gonzalo García, Ramón ; Ederra Urzainqui, Íñigo (MDPI, 2020)
Artículo / Artikulua
In this paper two different simple to design and easy to manufacturing transitions from a microstrip to rectangular waveguide based on ridge and groove gap waveguides are studied. The first one is based on a combination ... -
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 ... -
Induction theorem analysis of resonant nanoparticles: design of a huygens source nanoparticle laser
Liberal Olleta, Íñigo ; Ederra Urzainqui, Íñigo ; Gonzalo García, Ramón ; Ziolkowski, Richard W. (American Physical Society, 2014)
Artículo / Artikulua
We propose an advanced formulation of standard antenna theory for the basic investigation and design of resonant nanoparticles. This methodology is based on transforming the original scattering problem into a radiation ... -
Least upper bounds of the powers extracted and scattered by bi-anisotropic particles
Liberal Olleta, Íñigo ; Ra'di, Younes; Gonzalo García, Ramón ; Ederra Urzainqui, Íñigo ; Tretyakov, Sergei A.; Ziolkowski, Richard W. (IEEE, 2014)
Artículo / Artikulua
The least upper bounds of the powers extracted and scattered by bi-anisotropic particles are investigated analytically. A rigorous derivation for particles having invertible polarizability tensors is presented, and the ...
