Per citar aquest document: http://ddd.uab.cat/record/116047
Self-consistent coupling between driven electron tunneling and electromagnetic propagation at terahertz frequencies
Oriols Pladevall, Xavier (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
Boano, F. (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
Alarcón Pardo, Alfonso (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
American Physical Society

Data: 2008
Resum: An accurate procedure for coupling (time-dependent) driven electron tunneling and electromagnetic propagation at terahertz frequencies cannot be developed neither with equivalent electric-circuit approximations nor using standard electromagnetic solvers. Alternatively, in this work, a full-physical time-dependent self-consistent algorithm for such coupling is presented. In order to demonstrate the numerical viability of the algorithm and to show the great interest of driven electron tunneling devices for terahertz applications, a transistorlike tunneling device (coupled to lossy transmission lines) is designed for developing a rectifier, a harmonic generator, and an amplitude modulator at terahertz frequencies.
Drets: Tots els drets reservats.
Llengua: Anglès
Document: article ; recerca ; publishedVersion
Matèria: Tunneling ; Maxwell equations ; Modulators ; Conduction bands ; Conductors ; Electric currents ; Second harmonic generation ; Surface charge ; Electrical circuits ; Signal generators
Publicat a: Applied Physics Letters, Vol. 92, Issue 22 (June 2008) , p. 222107/1-222107/3, ISSN 1077-3118

DOI: 10.1063/1.2937307


4 p, 546.0 KB

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