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Tailoring directional scattering of second-harmonic generation from (111)-GaAs nanoantennas
Author(s): J. Sautter; L. Xu; A. Miroshnichenko; M. Lysevych; I. Volkovskaya; D. Smirnova; M. Camacho Morales; K. Zangeneh Kamali; F. Karouta; K. Vora; H. H. Tan; M. Kauranen; I. Staude; C. Jagadish; D. N. Neshev; M. Rahmani
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Paper Abstract

The group of zincblende III-V compound semiconductors, especially (100)-grown AlGaAs and GaAs, have recently been presented as promising materials for second harmonic generation (SHG) at the nanoscale. However, major obstacles to push the technology towards practical applications are the limited control over directionality of the SH emission and especially zero forward/backward radiation. In this work we provide both theoretically and experimentally a solution to these problems by presenting the first SHG nanoantennas made from (111)-GaAs embedded in a low index material. These nanoantennas show superior forward directionality compared to their (100)-counterparts. Most importantly, it is possible to manipulate the SHG radiation pattern of the nanoantennas by changing the pump polarization without affecting the linear properties and the total nonlinear conversion efficiency.

Paper Details

Date Published: 30 December 2019
PDF: 2 pages
Proc. SPIE 11200, AOS Australian Conference on Optical Fibre Technology (ACOFT) and Australian Conference on Optics, Lasers, and Spectroscopy (ACOLS) 2019, 112000H (30 December 2019); doi: 10.1117/12.2539086
Show Author Affiliations
J. Sautter, The Australian National Univ. (Australia)
Friedrich-Schiller-Univ. Jena (Germany)
L. Xu, The Univ. of New South Wales (Australia)
A. Miroshnichenko, The Univ. of New South Wales (Australia)
M. Lysevych, The Australian National Univ. (Australia)
I. Volkovskaya, Institute of Applied Physics (Russian Federation)
D. Smirnova, The Australian National Univ. (Australia)
Institute of Applied Physics (Russian Federation)
M. Camacho Morales, The Australian National Univ. (Australia)
K. Zangeneh Kamali, The Australian National Univ. (Australia)
F. Karouta, The Australian National Univ. (Australia)
K. Vora, The Australian National Univ. (Australia)
H. H. Tan, The Australian National Univ. (Australia)
M. Kauranen, Tampere Univ. (Finland)
I. Staude, Friedrich-Schiller-Univ. Jena (Germany)
C. Jagadish, The Australian National Univ. (Australia)
D. N. Neshev, The Australian National Univ. (Australia)
M. Rahmani, The Australian National Univ. (Australia)


Published in SPIE Proceedings Vol. 11200:
AOS Australian Conference on Optical Fibre Technology (ACOFT) and Australian Conference on Optics, Lasers, and Spectroscopy (ACOLS) 2019
Arnan Mitchell; Halina Rubinsztein-Dunlop, Editor(s)

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