Terahertz driven amplification of coherent optical phonons in GaAs coupled to metallic dog-bone resonators

Woerner Michael; Somma Carmine; Reimann Klaus; Elsaesser Thomas; Brener Igal; Reno John L.; Yang Yuanmu; Liu Peter Q.

doi:10.1051/epjconf/201920505007

EPJ Web of Conferences (Jan 2019)

Terahertz driven amplification of coherent optical phonons in GaAs coupled to metallic dog-bone resonators

Woerner Michael,
Somma Carmine,
Reimann Klaus,
Elsaesser Thomas,
Brener Igal,
Reno John L.,
Yang Yuanmu,
Liu Peter Q.

Affiliations

Woerner Michael: Max-Born-Institut für Nichtlineare Optik und Kurzzeitspektroskopie
Somma Carmine: Max-Born-Institut für Nichtlineare Optik und Kurzzeitspektroskopie
Reimann Klaus: Max-Born-Institut für Nichtlineare Optik und Kurzzeitspektroskopie
Elsaesser Thomas: Max-Born-Institut für Nichtlineare Optik und Kurzzeitspektroskopie
Brener Igal: Center for Integrated Nanotechnologies, Sandia National Laboratories
Reno John L.: Center for Integrated Nanotechnologies, Sandia National Laboratories
Yang Yuanmu: Center for Integrated Nanotechnologies, Sandia National Laboratories
Liu Peter Q.

DOI: https://doi.org/10.1051/epjconf/201920505007
Journal volume & issue: Vol. 205
p. 05007

Abstract

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Two-dimensional terahertz spectroscopy on an AlAs/GaAs nanostructure covered by field-enhancing dog-bone resonators shows signatures of coherent optical phonon amplification. Amplification is due to stimulated phonon emission by a terahertz-driven electron current.

Published in EPJ Web of Conferences

ISSN: 2100-014X (Online)
Publisher: EDP Sciences
Country of publisher: France
LCC subjects: Science: Physics
Website: http://www.epj-conferences.org/

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