High-efficiency broadband second harmonic generation in single hexagonal GaAs nanowire

Jing Wang; Ying Yu; Yu Ming Wei; Shun Fa Liu; Juntao Li; Zhang Kai Zhou; Zhi Chuan Niu; Si Yuan Yu; Xue Hua Wang

doi:10.1038/s41598-017-02199-w

High-efficiency broadband second harmonic generation in single hexagonal GaAs nanowire

Jing Wang, Ying Yu^*, Yu Ming Wei, Shun Fa Liu, Juntao Li, Zhang Kai Zhou, Zhi Chuan Niu, Si Yuan Yu, Xue Hua Wang

^*Corresponding author for this work

Department of Electrical & Electronic Engineering

Research output: Contribution to journal › Article (Academic Journal) › peer-review

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Abstract

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^-5 W^-1 which is ~10³ times higher than that obtained from the surface of bulk GaAs. This nanoscale nolinear optical converter that simultaneously owns high efficiency and broad bandwidth may open a new way for application in imaging, bio-sensing and on-chip all-optical signal processing operations.

Original language	English
Article number	2166
Journal	Scientific Reports
Volume	7
Issue number	1
Early online date	9 May 2017
DOIs	https://doi.org/10.1038/s41598-017-02199-w
Publication status	Published - 1 Dec 2017

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abstract = "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 ~10-5 W-1 which is ~103 times higher than that obtained from the surface of bulk GaAs. This nanoscale nolinear optical converter that simultaneously owns high efficiency and broad bandwidth may open a new way for application in imaging, bio-sensing and on-chip all-optical signal processing operations.",

author = "Jing Wang and Ying Yu and Wei, {Yu Ming} and Liu, {Shun Fa} and Juntao Li and Zhou, {Zhang Kai} and Niu, {Zhi Chuan} and Yu, {Si Yuan} and Wang, {Xue Hua}",

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AU - Wang, Jing

AU - Yu, Ying

AU - Wei, Yu Ming

AU - Liu, Shun Fa

AU - Li, Juntao

AU - Zhou, Zhang Kai

AU - Niu, Zhi Chuan

AU - Yu, Si Yuan

AU - Wang, Xue Hua

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N2 - 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 ~10-5 W-1 which is ~103 times higher than that obtained from the surface of bulk GaAs. This nanoscale nolinear optical converter that simultaneously owns high efficiency and broad bandwidth may open a new way for application in imaging, bio-sensing and on-chip all-optical signal processing operations.

AB - 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 ~10-5 W-1 which is ~103 times higher than that obtained from the surface of bulk GaAs. This nanoscale nolinear optical converter that simultaneously owns high efficiency and broad bandwidth may open a new way for application in imaging, bio-sensing and on-chip all-optical signal processing operations.

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JO - Scientific Reports

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High-efficiency broadband second harmonic generation in single hexagonal GaAs nanowire

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