Theoretical Model for Pattern Engineering of Harmonic Generation in All-Dielectric Nanoantennas

被引：10
作者：
Guasoni, Massimiliano [1 ]
Carletti, Luca [2 ]
Neshev, Dragomir [3 ]
De Angelis, Costantino [2 ]
机构：
[1] Univ Southampton, Optoelect Res Ctr, Southampton SO17 1BJ, Hants, England
[2] Univ Brescia, Dept Informat Engn, I-25123 Brescia, Italy
[3] Australian Natl Univ, Res Sch Phys & Engn, Nonlinear Phys Ctr, Canberra, ACT 2601, Australia
来源：
IEEE JOURNAL OF QUANTUM ELECTRONICS | 2017年 / 53卷 / 03期
关键词：
Subwavelength structures; harmonic generation and mixing; ENHANCED 2ND-HARMONIC GENERATION; 3RD-HARMONIC GENERATION; ALGAAS NANOANTENNAS; METASURFACES; RESONANCES; SCATTERING; DRIVEN;
D O I：
10.1109/JQE.2017.2697973
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We develop a novel theoretical model for the study of harmonic generation in cylindrical structures of finite height. Our technique is based on the decomposition of the electromagnetic field over the complete set of modes of the corresponding infinite cylinder. Differently from previous works, in our model no constraints are given neither on the cross section nor on the refractive index of the cylinder. We then apply our approach in the special case of frequency doubling in tall AlGaAs nanodisks, where radiative modes can be neglected. Our results open new perspectives for optimization and engineering of the radiation pattern in harmonic generation processes at the nanoscale.
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页数：5
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