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Resonant harmonic generation in AlGaAs nanoantennas probed by cylindrical vector beams

Camacho Morales, Rocio; Bautista, Godofredo; Zang, Xiaorun; Xu, Lei; Turquet, Leo; Miroshnichenko, Andrey; Tan, Hark Hoe; Lamprianidis, Aristeides; Rahmani, Mohsen; Jagadish, Chennupati; Neshev, Dragomir; Kauranen, Martti


We investigate second- and third-harmonic generation from individual AlGaAs nanoantennas using far-field mapping with radially- and azimuthally-polarized cylindrical vector beams. Due to the unique polarization structure of these beams, we are able to determine the crystal orientation of the nanoantenna in a single scanning map. Our method thus provides a novel and versatile optical tool to study the crystal properties of semiconductor nanoantennas. We also demonstrate the influence of...[Show more]

CollectionsANU Research Publications
Date published: 2019
Type: Journal article
Source: Nanoscale
DOI: 10.1039/c8nr08034h


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