Person: Biurrun Quel, Carlos
No Profile Picture Available
Email Address
person.page.identifierURI
Birth Date
Research Projects
Organizational Units
Job Title
Last Name
Biurrun Quel
First Name
Carlos
person.page.departamento
Ingeniería Eléctrica, Electrónica y de Comunicación
person.page.instituteName
ORCID
0000-0001-6446-3248
person.page.upna
811367
Name
3 results
Search Results
Now showing 1 - 3 of 3
Publication Open Access Design and characterization of terahertz CORPS beam forming networks(Springer, 2023) Biurrun Quel, Carlos; Haddad, Thomas; Sievert, Benedikt; Kress, Robin; Weimann, Nils; Erni, Daniel; Rennings, Andreas; Stöhr, Andreas; Teniente Vallinas, Jorge; Río Bocio, Carlos del; Ingeniería Eléctrica, Electrónica y de Comunicación; Institute of Smart Cities - ISC; Ingeniaritza Elektrikoa, Elektronikoaren eta Telekomunikazio Ingeniaritzaren; Universidad Pública de Navarra / Nafarroako Unibertsitate PublikoaThis work reviews the design and applicability of beam-forming networks based on Coherently Radiating Periodic Structures (CORPS-BFN) at Terahertz (THz) frequency bands. These versatile networks offer two operation modes: a continuous beam steering – feeding an antenna array with a linearly progressive phase distribution – using a reduced number of phase controls; or a multi-beam operation, generating independent, overlapped beams. These networks are built upon the concatenation of power combiners/dividers (PCDs) with isolated outputs. The isolation is provided by monolithically integrated resistors, implemented with Ti/TiO thin films for the first time. In this work, a planar prototype of a (inputs/outputs) microstrip CORPS-BFN for operation in the WR3.4/WM-864 band (220–330 GHz) on a thin 50 m Indium Phosphide (InP) substrate is designed, fabricated, and characterized. The measured S-parameters show a reflection coefficient better than -15 dB and an insertion loss between 1.6 and 3.2 dB in the whole band. In addition, an isolation better than 20 dB between the input ports has been measured. An overall remarkable agreement is observed between the measurements and the simulations. Last, the applications, scalability and efficiency of this type of networks at the targeted band are discussed in detail.Publication Open Access Suppressing open stopband for terahertz periodic microstrip leaky-wave antennas(IEEE, 2023) Haddad, Thomas; Biurrun Quel, Carlos; Lu, Peng; Kaya, Hacer; Mohammad, Israa; Stöhr, Andreas; Ingeniería Eléctrica, Electrónica y de Comunicación; Ingeniaritza Elektrikoa, Elektronikoaren eta Telekomunikazio IngeniaritzarenThis paper reports on a periodic microstrip Leaky-wave antenna (LWA). The open stopband issue is suppressed by altering the unit cell using a matching stub. The developed LWA is based on a grounded InP-substrate of 50 µm and has been fabricated and characterized between 0.23 to 0.33 THz. The dispersion diagram of the designed unit cell shows enhancement of the attenuation constant at the broadside frequency of 0.273 THz and about 50% less deflection at the broadside region on the Bloch impedance curves, consequently better impedance matching at the input. The simulated scattering parameters of the proposed LWA show that the return loss S11 is below 17 dB except for the broadside, which has a value of 13.8 dB. Furthermore, the beam steering capabilities of the antenna are simulated in the WR3.4 band and confirmed experimentally between 0.26 and 0.33 THz proving the beam direction to steer from −12° to +33°, respectively.Publication Open Access Integration of a photodiode for THz generation in the framework of TERALINKS Project(2018) Biurrun Quel, Carlos; Río Bocio, Carlos del; Escuela Técnica Superior de Ingenieros Industriales y de Telecomunicación; Telekomunikazio eta Industria Ingeniarien Goi Mailako Eskola TeknikoaEl crecimiento en la demanda de mayores velocidades en redes inalámbricas lleva a incrementar los recursos asignados al usuario, lo que se traduce en necesidad de mayores anchos de banda. La banda de Terahercios resulta muy interesante por sus potenciales aplicaciones, entre las cuales se encuentran las comunicaciones de gran tasa binaria. Sin embargo, una de las limitaciones fundamentales de esta banda es la dificultad para generar potencia eficientemente. Una de las técnicas mas recurrentes es el photomixing, por la cual dos frecuencias ópticas se baten en un fotodiodo para generar terahercios. Sin embargo, estas técnicas acarrean una serie de problemas, tales como el acoplo eficiente de la radiación generada y la iluminación del diodo. Por ello, en este trabajo se presenta un concepto novedoso para la integración de photomixers, basado en un reflector elipsoidal. Aunque no se ha conseguido un dispositivo operativo, los principales problemas son tratados, una serie de reglas de diseño son propuestas y las futuras líneas de trabajo son detalladas. Ello ha sido desarrollado en el marco del Proyecto TERALINKS.