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Three-Terminal Junctions operating as mixers, frequency doublers and detectors: A broad-band frequency numerical and experimental study at room temperature: Profile on PlumX
Título : Three-Terminal Junctions operating as mixers, frequency doublers and detectors: A broad-band frequency numerical and experimental study at room temperature
Autor(es) : Íñiguez-de-la-Torre, Ignacio
González Sánchez, Tomás
Gardes, Cyrille
Roelens, Yannick
Bollaert, Sylvain
Curutchet, Arnaud
Gaquiere, Christophe
Mateos López, Javier
Palabras clave : Nanodevices
Monte Carlo method
Ballistic transport
Clasificación UNESCO: Materias::Investigación::22 Física
Fecha de publicación : 2010
Citación : Íñiguez de la Torre, I. et al. (2010). Three-Terminal Junctions operating as mixers, frequency doublers and detectors: A broad-band frequency numerical and experimental study at room temperature. Semicond. Sci Technol. 25, 125013 (2010)
Resumen : The frequency response of nanometric T- and Y-shaped three-terminal junctions (TTJs) is investigated experimentally and numerically. In virtue of the parabolic down-bending of the output voltage of the central branch obtained at room temperature under a push-pull fashion input, we analyze: the low-frequency performance (<1 MHz) of TTJs operating as mixers, their RF capability as doublers up to 4 GHz and detection at 94 GHz. Special attention is paid to the impedance matching and cut-off frequency of the measurement set-up. The numerical study is done by means of Monte Carlo simulations. We illustrate the intrinsic functionality of the device as frequency doubler or rectifier up to THz. The role of the width of the central branch on the highfrequency response is also explored, finding different cut-off frequencies for doubling and detection as a consequence of the diverse working principles of both mechanisms and the particular geometry of the TTJs.
URI : http://hdl.handle.net/10366/122125
ISSN : 0268-1242
Aparece en las colecciones: DFA. Artículos del Departamento de Física Aplicada

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