Theory and measurements of harmonic generation in semiconductor superlattices with applications in the 100 GHz to 1 THz range

PEREIRA, Mauro, ZUBELLI, J.P., WINGE, D., WACKER, A., RODRIGUES, A.S., ANFERTEV, V. and VAKS, V. (2017). Theory and measurements of harmonic generation in semiconductor superlattices with applications in the 100 GHz to 1 THz range. Physical Review B (PRB), 96 (4), 045306.

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Official URL: https://journals.aps.org/prb/abstract/10.1103/Phys...
Link to published version:: https://doi.org/10.1103/PhysRevB.96.045306

Abstract

This manuscript describes harmonic generation in semiconductor superlattices, starting from a Nonequilibrium Green's functions input to relaxation rate-type analytical approximations for the Boltzmann Equation in which imperfections in the structure lead to asymmetric current flow and scattering processes under forward and reverse bias. The resulting current-voltage curves and the predicted consequences on harmonic generation, notably the development of even harmonics are in good agreement with experiments. Significant output for frequencies close to 1 THz (7th harmonic) at room temperature, after excitation by a 141 GHz input signal, demonstrate the potential of superlattice devices for GHz-THz applications.

Item Type: Article
Research Institute, Centre or Group - Does NOT include content added after October 2018: Materials and Engineering Research Institute > Advanced Coatings and Composites Research Centre > Electronic Materials and Sensors Research Group
Identification Number: https://doi.org/10.1103/PhysRevB.96.045306
Page Range: 045306
Depositing User: Jill Hazard
Date Deposited: 06 Jul 2017 11:18
Last Modified: 18 Mar 2021 07:32
URI: https://shura.shu.ac.uk/id/eprint/16086

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