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Title: Generation of terahertz radiation in ordered arrays of GaAs nanowires

THz generation under excitation by ultrashort optical pulses in ordered arrays of GaAs nanowires is reported. It was found that the efficiency of THz radiation generation increases due to the resonant leaky mode excitation in nanowires. The maximum value of the THz field is achieved when the distance between the nanowires is of the order of the wavelength of exciting light.
Authors:
;  [1] ;  [2] ; ;  [1] ;  [2] ;  [2] ; ; ;  [3]
  1. Ioffe Institute, 194021 St. Petersburg (Russian Federation)
  2. (Russian Federation)
  3. Department of Micro and Nanosciences, Aalto University, FIN-00076 Aalto (Finland)
Publication Date:
OSTI Identifier:
22483090
Resource Type:
Journal Article
Resource Relation:
Journal Name: Applied Physics Letters; Journal Volume: 106; Journal Issue: 25; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; DISTANCE; EFFICIENCY; EXCITATION; GALLIUM ARSENIDES; NANOWIRES; PULSES; WAVELENGTHS