Tuning the second-harmonic generation in algaas nanodimers via non-radiative state optimization [invited]

Davide Rocco; Valerio F. Gili; Lavinia Ghirardini; Luca Carletti; Ivan Favero; Andrea Locatelli; Giuseppe Marino; Dragomir N. Neshev; Michele Celebrano; Marco Finazzi; Giuseppe Leo; Costantino De Angelis

doi:10.1364/PRJ.6.0000B6

Tuning the second-harmonic generation in algaas nanodimers via non-radiative state optimization [invited]

Davide Rocco^*, Valerio F. Gili, Lavinia Ghirardini, Luca Carletti, Ivan Favero, Andrea Locatelli, Giuseppe Marino, Dragomir N. Neshev, Michele Celebrano, Marco Finazzi, Giuseppe Leo, Costantino De Angelis

^*Corresponding author for this work

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

56 Citations (Scopus)

Abstract

Dielectric nanocavities are emerging as a versatile and powerful tool for the linear and nonlinear manipulation of light at the nanoscale. In this work, we exploit the effective coupling of electric and toroidal modes in AlGaAs nanodimers to locally enhance both electric and magnetic fields while minimizing the optical scattering, thereby optimizing their second-harmonic generation efficiency with respect to the case of a single isolated nanodisk. We also demonstrate that proper near-field coupling can provide further degrees of freedom to control the polarization state and the radiation diagram of the second-harmonic field.

Original language	English
Pages (from-to)	B6-B12
Journal	Photonics Research
Volume	6
Issue number	5
DOIs	https://doi.org/10.1364/PRJ.6.0000B6
Publication status	Published - 1 May 2018

Access to Document

10.1364/PRJ.6.0000B6

Cite this

@article{76c657941e5b406180cb550389b1fb93,

title = "Tuning the second-harmonic generation in algaas nanodimers via non-radiative state optimization [invited]",

abstract = "Dielectric nanocavities are emerging as a versatile and powerful tool for the linear and nonlinear manipulation of light at the nanoscale. In this work, we exploit the effective coupling of electric and toroidal modes in AlGaAs nanodimers to locally enhance both electric and magnetic fields while minimizing the optical scattering, thereby optimizing their second-harmonic generation efficiency with respect to the case of a single isolated nanodisk. We also demonstrate that proper near-field coupling can provide further degrees of freedom to control the polarization state and the radiation diagram of the second-harmonic field.",

author = "Davide Rocco and Gili, {Valerio F.} and Lavinia Ghirardini and Luca Carletti and Ivan Favero and Andrea Locatelli and Giuseppe Marino and Neshev, {Dragomir N.} and Michele Celebrano and Marco Finazzi and Giuseppe Leo and {De Angelis}, Costantino",

note = "Publisher Copyright: {\textcopyright} 2018 Chinese Laser Press.",

year = "2018",

month = may,

day = "1",

doi = "10.1364/PRJ.6.0000B6",

language = "English",

volume = "6",

pages = "B6--B12",

journal = "Photonics Research",

issn = "2327-9125",

publisher = "Optica Publishing Group",

number = "5",

}

TY - JOUR

T1 - Tuning the second-harmonic generation in algaas nanodimers via non-radiative state optimization [invited]

AU - Rocco, Davide

AU - Gili, Valerio F.

AU - Ghirardini, Lavinia

AU - Carletti, Luca

AU - Favero, Ivan

AU - Locatelli, Andrea

AU - Marino, Giuseppe

AU - Neshev, Dragomir N.

AU - Celebrano, Michele

AU - Finazzi, Marco

AU - Leo, Giuseppe

AU - De Angelis, Costantino

PY - 2018/5/1

Y1 - 2018/5/1

N2 - Dielectric nanocavities are emerging as a versatile and powerful tool for the linear and nonlinear manipulation of light at the nanoscale. In this work, we exploit the effective coupling of electric and toroidal modes in AlGaAs nanodimers to locally enhance both electric and magnetic fields while minimizing the optical scattering, thereby optimizing their second-harmonic generation efficiency with respect to the case of a single isolated nanodisk. We also demonstrate that proper near-field coupling can provide further degrees of freedom to control the polarization state and the radiation diagram of the second-harmonic field.

AB - Dielectric nanocavities are emerging as a versatile and powerful tool for the linear and nonlinear manipulation of light at the nanoscale. In this work, we exploit the effective coupling of electric and toroidal modes in AlGaAs nanodimers to locally enhance both electric and magnetic fields while minimizing the optical scattering, thereby optimizing their second-harmonic generation efficiency with respect to the case of a single isolated nanodisk. We also demonstrate that proper near-field coupling can provide further degrees of freedom to control the polarization state and the radiation diagram of the second-harmonic field.

UR - http://www.scopus.com/inward/record.url?scp=85046355934&partnerID=8YFLogxK

U2 - 10.1364/PRJ.6.0000B6

DO - 10.1364/PRJ.6.0000B6

M3 - Article

SN - 2327-9125

VL - 6

SP - B6-B12

JO - Photonics Research

JF - Photonics Research

IS - 5

ER -

Tuning the second-harmonic generation in algaas nanodimers via non-radiative state optimization [invited]

Abstract

Access to Document

Other files and links

Fingerprint

Cite this