Terahertz generation by gigahertz multiplication in superlattices

Mauro Fernandes Pereira; Vladimir A. Anfertev; Jorge P. Zubelli; Vladimir L. Vaks

doi:10.1117/1.JNP.11.046022

Terahertz generation by gigahertz multiplication in superlattices

Mauro Fernandes Pereira, Vladimir A. Anfertev, Jorge P. Zubelli, Vladimir L. Vaks

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30 Scopus citations

Abstract

We apply a hybrid nonequilibrium Green's functions and relaxation rate approximation approach to investigate frequency multiplication in the gigahertz to terahertz range delivering results in good agreement with experimental data for different input frequencies. A discussion of the current limitation of housing designs for the superlattices is given, based on a simple model for the local electric field and in comparison with measured input powers delivered by a backward wave oscillator.

Original language	British English
Article number	046022
Journal	Journal of Nanophotonics
Volume	11
Issue number	4
DOIs	https://doi.org/10.1117/1.JNP.11.046022
State	Published - 1 Oct 2017

Keywords

frequency multiplication
gigahertz
nonlinearities
semiconductor superlattices
terahertz and mid infrared

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10.1117/1.JNP.11.046022

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title = "Terahertz generation by gigahertz multiplication in superlattices",

abstract = "We apply a hybrid nonequilibrium Green's functions and relaxation rate approximation approach to investigate frequency multiplication in the gigahertz to terahertz range delivering results in good agreement with experimental data for different input frequencies. A discussion of the current limitation of housing designs for the superlattices is given, based on a simple model for the local electric field and in comparison with measured input powers delivered by a backward wave oscillator.",

keywords = "frequency multiplication, gigahertz, nonlinearities, semiconductor superlattices, terahertz and mid infrared",

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AU - Zubelli, Jorge P.

AU - Vaks, Vladimir L.

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N2 - We apply a hybrid nonequilibrium Green's functions and relaxation rate approximation approach to investigate frequency multiplication in the gigahertz to terahertz range delivering results in good agreement with experimental data for different input frequencies. A discussion of the current limitation of housing designs for the superlattices is given, based on a simple model for the local electric field and in comparison with measured input powers delivered by a backward wave oscillator.

AB - We apply a hybrid nonequilibrium Green's functions and relaxation rate approximation approach to investigate frequency multiplication in the gigahertz to terahertz range delivering results in good agreement with experimental data for different input frequencies. A discussion of the current limitation of housing designs for the superlattices is given, based on a simple model for the local electric field and in comparison with measured input powers delivered by a backward wave oscillator.

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KW - nonlinearities

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Terahertz generation by gigahertz multiplication in superlattices

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