Scientific Results

Vertical emission of second and third harmonic light from GaAs nanowires below the band edge

Year: 2019

Authors: Scalora M., Trull J., Cojocaru C., Vincenti MA., Carletti L., de Ceglia D., De Angelis C.

Autors Affiliation: RDECOM, Charles M Bowden Res Ctr, AMRDEC, Redstone Arsenal, AL 35898 USA; Univ Politecn Cataluna, Phys Dept, Rambla St Nebridi 22, Barcelona, Spain; Univ Brescia, Dept Informat Engn, Via Branze 38, I-25123 Brescia, Italy; Univ Padua, Dept Informat Engn, Via Gradenigo 6-A, I-35131 Padua, Italy; CNR, Natl Inst Opt INO, Via Branze 45, I-25123 Brescia, Italy

Abstract: Using a hydrodynamic approach we predict bulk-and surface-induced second and third harmonic generation from a GaAs nanowire grating. Absorption is inhibited below the band-edge and conversion efficiencies are predicted to be 0.5% at 333nm. (C) 2019 The Author(s)

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KeyWords: GaAs nanowire