Highly-efficient longitudinal second-harmonic generation from doubly-resonant AlGaAs nanoantennas

Lei Xu; Mohsen Rahmani; Daria Smirnova; Khosro Zangeneh Kamali; Guoquan Zhang; Dragomir Neshev; Andrey E. Miroshnichenko

doi:10.3390/photonics5030029

Highly-efficient longitudinal second-harmonic generation from doubly-resonant AlGaAs nanoantennas

Lei Xu, Mohsen Rahmani, Daria Smirnova, Khosro Zangeneh Kamali, Guoquan Zhang, Dragomir Neshev, Andrey E. Miroshnichenko^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

23 Citations (Scopus)

Abstract

We design an asymmetric nonlinear optical nanoantenna composed of a dielectric nanodisc and an adjacent nanobar. The proposed composite structure made of AlGaAs exhibits resonant response at both the fundamental and doubled frequencies. Being driven by the strong magnetic dipole resonance at the pump wavelength and a high-quality mode at the harmonic wavelength, the efficient second-harmonic radiation is generated predominantly along the vertical directions under the normally incident plane-wave excitation.

Original language	English
Article number	29
Journal	Photonics
Volume	5
Issue number	3
DOIs	https://doi.org/10.3390/photonics5030029
Publication status	Published - 1 Sept 2018

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title = "Highly-efficient longitudinal second-harmonic generation from doubly-resonant AlGaAs nanoantennas",

abstract = "We design an asymmetric nonlinear optical nanoantenna composed of a dielectric nanodisc and an adjacent nanobar. The proposed composite structure made of AlGaAs exhibits resonant response at both the fundamental and doubled frequencies. Being driven by the strong magnetic dipole resonance at the pump wavelength and a high-quality mode at the harmonic wavelength, the efficient second-harmonic radiation is generated predominantly along the vertical directions under the normally incident plane-wave excitation.",

keywords = "Mie resonance, Multipolar interference, Nanoantenna, Scattering, Second-harmonic generation",

author = "Lei Xu and Mohsen Rahmani and Daria Smirnova and Kamali, {Khosro Zangeneh} and Guoquan Zhang and Dragomir Neshev and Miroshnichenko, {Andrey E.}",

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T1 - Highly-efficient longitudinal second-harmonic generation from doubly-resonant AlGaAs nanoantennas

AU - Xu, Lei

AU - Rahmani, Mohsen

AU - Smirnova, Daria

AU - Kamali, Khosro Zangeneh

AU - Zhang, Guoquan

AU - Neshev, Dragomir

AU - Miroshnichenko, Andrey E.

PY - 2018/9/1

Y1 - 2018/9/1

N2 - We design an asymmetric nonlinear optical nanoantenna composed of a dielectric nanodisc and an adjacent nanobar. The proposed composite structure made of AlGaAs exhibits resonant response at both the fundamental and doubled frequencies. Being driven by the strong magnetic dipole resonance at the pump wavelength and a high-quality mode at the harmonic wavelength, the efficient second-harmonic radiation is generated predominantly along the vertical directions under the normally incident plane-wave excitation.

AB - We design an asymmetric nonlinear optical nanoantenna composed of a dielectric nanodisc and an adjacent nanobar. The proposed composite structure made of AlGaAs exhibits resonant response at both the fundamental and doubled frequencies. Being driven by the strong magnetic dipole resonance at the pump wavelength and a high-quality mode at the harmonic wavelength, the efficient second-harmonic radiation is generated predominantly along the vertical directions under the normally incident plane-wave excitation.

KW - Mie resonance

KW - Multipolar interference

KW - Nanoantenna

KW - Scattering

KW - Second-harmonic generation

UR - http://www.scopus.com/inward/record.url?scp=85053814855&partnerID=8YFLogxK

U2 - 10.3390/photonics5030029

DO - 10.3390/photonics5030029

M3 - Article

SN - 2304-6732

VL - 5

JO - Photonics

JF - Photonics

IS - 3

M1 - 29

ER -

Highly-efficient longitudinal second-harmonic generation from doubly-resonant AlGaAs nanoantennas

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