Characterization of optical and nonlinear properties of individual GaP nanowires using optical tweezers

Alexey D. Bolshakov, Ivan Shishkin, Andrey Machnev, Mikhail I. Petrov, Demid Kirilenko, Vladimir V. Fedorov, Ivan S. Mukhin, Pavel Ginzburg

Research output: Contribution to journalConference articlepeer-review

Abstract

Semiconductor nanowires (NWs) offer multiple advantages for designing novel optoelectronic devices, such as small footprint, high quantum efficiency, high nonlinear susceptibility. Gallium phosphide (GaP) is one of the attractive materials owing to its low optical absorption and high nonlinear susceptibility. However NWs should be transferred to planar substrates for optical studies, which do not allow efficient signal outcoupling. We demonstrate efficient second harmonic generation in individual GaP nanowires trapped using optical tweezers. Such vertically arranged configuration of NW allows to both efficiently generate second harmonic and to probe linear optical response using broadband light source. Such experiment allows to examine interplay between harmonic generation efficiency and NW dimensions.

Original languageEnglish
Article number012005
JournalJournal of Physics: Conference Series
Volume2172
Issue number1
DOIs
StatePublished - 9 Mar 2022
Externally publishedYes
Event4th International Smart NanoMaterials Conference 2021: Advances, Innovation and Applications, SNAIA 2021 - Paris, Virtual, France
Duration: 7 Dec 202110 Dec 2021

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