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High-efficiency broadband second harmonic generation in single hexagonal GaAs nanowire.
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ABSTRACT:
SUBMITTER: Wang J
PROVIDER: S-EPMC5438389 | biostudies-literature | 2017 May
REPOSITORIES: biostudies-literature
Publications
High-efficiency broadband second harmonic generation in single hexagonal GaAs nanowire.
Scientific reports 20170519 1
In this paper, we investigate second harmonic generation in a single hexagonal GaAs nanowire. An excellent frequency converter based on this nanowire excited using a femtosecond laser is demonstrated to operate over a range from 730 nm to 1960 nm, which is wider than previously reported ranges for nanowires in the literature. The converter always operates with a high conversion efficiency of ~10<sup>-5</sup> W<sup>-1</sup> which is ~10<sup>3</sup> times higher than that obtained from the surface ...[more]