Now showing items 1-13 of 13

    • 300 GHz optoelectronic transmitter combining integrated photonics and electronic multipliers for wireless communication 

      Ali, Muhsin; Pérez Escudero, José Manuel Upna Orcid; Guzmán Martínez, Robinson Cruzoe; Lo, Mu Chieh; Ederra Urzainqui, Íñigo Upna Orcid; Gonzalo García, Ramón Upna Orcid; García Muñoz, Luis Enrique (MDPI, 2019)   Artículo / Artikulua  OpenAccess
      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 ...
    • A Chebyshev transformer-based microstri-to-groove-gap-waveguide inline transition for MMIC packaging 

      Pérez Escudero, José Manuel Upna Orcid; Torres García, Alicia E. Upna Orcid; Gonzalo García, Ramón Upna Orcid; Ederra Urzainqui, Íñigo Upna Orcid (IEEE, 2019)   Artículo / Artikulua  OpenAccess
      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 ...
    • Comparison of fourth-harmonic and combined doubler/subharmonic mixer with integrated MMIC based local oscillator 

      Pérez Escudero, José Manuel Upna Orcid; Quemada Mayoral, Carlos Upna Orcid; Gonzalo García, Ramón Upna Orcid; Ederra Urzainqui, Íñigo Upna Orcid (IEEE, 2019)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this paper a comparison between a fourth harmonic mixer and a combined doubler/subharmonic mixer based on Schottky diodes working at 300 GHz with MMIC Local Oscillator (LO) integrated in a single enclosing is presented. ...
    • Comparison of modified Soret lenses for dual band integrated detectors 

      Torres García, Alicia E. Upna Orcid; Pérez Escudero, José Manuel Upna Orcid; Gonzalo García, Ramón Upna Orcid; Ederra Urzainqui, Íñigo Upna Orcid (IEEE, 2020)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      This paper presents the comparison of different modified Soret lenses suitable for a millimeter and submillimeterwave dualband integrated pixel detectors. The approach is based on the modification of a printed planar Soret ...
    • Design of 300 ghz combined doubler/subharmonic mixer based on schottky diodes with integrated mmic based local oscillator 

      Pérez-Escudero, José Manuel Upna Orcid; Quemada Mayoral, Carlos Upna Orcid; Gonzalo García, Ramón Upna Orcid; Ederra Urzainqui, Íñigo Upna Orcid (MDPI, 2020)   Artículo / Artikulua  OpenAccess
      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 ...
    • Design of a groove gap waveguide to microstrip inline transition 

      Pérez Escudero, José Manuel Upna Orcid; Torres García, Alicia E. Upna Orcid; Gonzalo García, Ramón Upna Orcid; Ederra Urzainqui, Íñigo Upna Orcid (IEEE, 2019)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this paper the design of an inline transition between microstrip and groove gap waveguide operating at Wband is presented. The transition consists of two sections: a tapered microstrip line and a Chebyshev transformer. ...
    • Development of sub-millimetre wave band subsystems and packaging techniques 

      Pérez Escudero, José Manuel Upna Orcid (2019)   Tesis doctoral / Doktoretza tesia  OpenAccess
      En esta tesis se investigan técnicas de diseño y fabricación de dispositivos, ya sean transmisores o receptores, a frecuencias de THz y submilimétricas y técnicas de empaquetado con el objetivo de que el dispositivo final ...
    • A gap waveguide-based compact rectangular waveguide to a packaged microstrip inline transition 

      Pérez Escudero, José Manuel Upna Orcid; Torres García, Alicia E. Upna Orcid; Gonzalo García, Ramón Upna Orcid; Ederra Urzainqui, Íñigo Upna Orcid (MDPI, 2020)   Artículo / Artikulua  OpenAccess
      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 ...
    • Modified Soret lenses for dual band integrated detectors at submillimetre and millimetre wavelengths 

      Torres García, Alicia E. Upna Orcid; Pérez Escudero, José Manuel Upna Orcid; Gonzalo García, Ramón Upna Orcid; Ederra Urzainqui, Íñigo Upna Orcid (IEEE, 2020)   Artículo / Artikulua  OpenAccess
      This paper presents a planar silicon integrated subharmonic mixer on top of a photonic-crystal platform. The local oscillator (LO) power is injected through a 2D photonic crystal (PC) slab to a resonant cavity that effectively ...
    • Response of complementary split ring resonators in composite stratified substrate integrated waveguide 

      Pérez Escudero, José Manuel Upna Orcid; Jarauta Ayensa, Eduardo Upna; Falcone Lanas, Francisco Javier Upna Orcid; Beruete Díaz, Miguel Upna Orcid (American Institute of Physics, 2017)   Artículo / Artikulua  OpenAccess
      In this work, the behavior of a Complementary Split Ring Resonator (CSRR) operating within the quasi-static resonance regime and embedded in a composite stratified Substrate Integrated Waveguide (SIW) with two different ...
    • Silicon carbide as a material-based high-impedance surface for enhanced absorption within ultra-thin metallic films 

      Pérez Escudero, José Manuel Upna Orcid; Buldain, Iban; Beruete Díaz, Miguel Upna Orcid; Goicoechea Fernández, Javier Upna Orcid; Liberal Olleta, Íñigo Upna Orcid (Optical Society of America, 2020)   Artículo / Artikulua  OpenAccess
      The absorption of infrared radiation within ultra-thin metallic films is technologically relevant for different thermal engineering applications and optoelectronic devices, as well as for fundamental research on sub-nanometer ...
    • Silicon integrated subharmonic mixer on a photonic-crystal platform 

      Torres García, Alicia E. Upna Orcid; Pérez Escudero, José Manuel Upna Orcid; Teniente Vallinas, Jorge Upna Orcid; Gonzalo García, Ramón Upna Orcid; Ederra Urzainqui, Íñigo Upna Orcid (IEEE, 2021)   Artículo / Artikulua  OpenAccess
      This paper presents a planar silicon integrated subharmonic mixer on top of a photonic-crystal platform. The local oscillator (LO) power is injected through a 2D photoniccrystal (PC) slab to a resonant cavity that effectively ...
    • A simplified design inline microstrip-to-waveguide transition 

      Ederra Urzainqui, Íñigo Upna Orcid; Gonzalo García, Ramón Upna Orcid; Pérez Escudero, José Manuel Upna Orcid; Torres García, Alicia E. Upna Orcid (MDPI, 2018)   Artículo / Artikulua  OpenAccess
      A simplified design of an inline transition between microstrip and rectangular waveguide is presented in this paper. The transition makes use of a dielectric filled rectangular waveguide (DFRW) as an intermediate step, ...