Resonant features of the terahertz generation in semiconductor nanowires


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Abstract

The paper presents the results of experimental studies of the generation of terahertz radiation in periodic arrays of GaAs nanowires via excitation by ultrashort optical pulses. It is found that the generation of THz radiation exhibits resonant behavior due to the resonant excitation of cylindrical modes in the nanowires. At the optimal geometric parameters of the nanowire array, the generation efficiency is found to be higher than that for bulk p-InAs, which is one of the most effective coherent terahertz emitters.

About the authors

V. N. Trukhin

Ioffe Physical–Technical Institute; St. Petersburg National Research University of Information Technologies, Mechanics and Optics

Author for correspondence.
Email: valera.truchin@mail.ioffe.ru
Russian Federation, St. Petersburg, 194021; St. Petersburg, 197101

A. D. Bouravleuv

St. Petersburg Academic University—Nanotechnology Research and Education Centre

Email: valera.truchin@mail.ioffe.ru
Russian Federation, St. Petersburg, 194021

I. A. Mustafin

Ioffe Physical–Technical Institute; St. Petersburg National Research University of Information Technologies, Mechanics and Optics

Email: valera.truchin@mail.ioffe.ru
Russian Federation, St. Petersburg, 194021; St. Petersburg, 197101

G. E. Cirlin

St. Petersburg Academic University—Nanotechnology Research and Education Centre

Email: valera.truchin@mail.ioffe.ru
Russian Federation, St. Petersburg, 194021

D. I. Kuritsyn

Institute for Physics of Microstructures

Email: valera.truchin@mail.ioffe.ru
Russian Federation, Nizhny Novgorod, 607680

V. V. Rumyantsev

Institute for Physics of Microstructures

Email: valera.truchin@mail.ioffe.ru
Russian Federation, Nizhny Novgorod, 607680

S. V. Morosov

St. Petersburg Academic University—Nanotechnology Research and Education Centre; Lobachevsky State University of Nizhny Novgorod (NNSU)

Email: valera.truchin@mail.ioffe.ru
Russian Federation, St. Petersburg, 194021; Nizhny Novgorod, 603950

J. P. Kakko

Department of Micro- and Nanosciences, Micronova

Email: valera.truchin@mail.ioffe.ru
Finland, Aalto, FI-000a76

T. Huhtio

Department of Micro- and Nanosciences, Micronova

Email: valera.truchin@mail.ioffe.ru
Finland, Aalto, FI-000a76

H. Lipsanen

Department of Micro- and Nanosciences, Micronova

Email: valera.truchin@mail.ioffe.ru
Finland, Aalto, FI-000a76


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