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Title: Interplay between gain and loss in arrays of nonlinear plasmonic nanoparticles: toward parametric downconversion and amplification

Abstract

With the help of a theoretical model and finite-difference time-domain (FDTD) simulations based on the hydrodynamic–Maxwell model, we examine the effect of difference-frequency generation (DFG) in an array of L-shaped metal nanoparticles (MNPs) characterized by intrinsic plasmonic nonlinearity. The outcomes of the calculations reveal the spectral interplay between gain and loss in the vicinity of the fundamental frequency of the localized surface plasmon resonances. Subsequently, we identify different array thicknesses and pumping regimes facilitating parametric amplification and spontaneous parametric downconversion. Our results suggest that the parametric amplification regime becomes feasible on a scale of hundreds of nanometers and spontaneous parametric downconversion on the scale of tens of nanometers, opening up new exciting opportunities for developing building blocks of photonic metasurfaces.

Authors:
; ; ; ; ORCiD logo
Publication Date:
Sponsoring Org.:
USDOE
OSTI Identifier:
2325435
Grant/Contract Number:  
W400A-XXJ4; 0230363ER
Resource Type:
Publisher's Accepted Manuscript
Journal Name:
Optics Letters
Additional Journal Information:
Journal Name: Optics Letters Journal Volume: 49 Journal Issue: 7; Journal ID: ISSN 0146-9592
Publisher:
Optical Society of America
Country of Publication:
United States
Language:
English

Citation Formats

Shah, Syed A., Clark, Michael R., Zyss, Joseph, Sukharev, Maxim, and Piryatinski, Andrei. Interplay between gain and loss in arrays of nonlinear plasmonic nanoparticles: toward parametric downconversion and amplification. United States: N. p., 2024. Web. doi:10.1364/OL.515621.
Shah, Syed A., Clark, Michael R., Zyss, Joseph, Sukharev, Maxim, & Piryatinski, Andrei. Interplay between gain and loss in arrays of nonlinear plasmonic nanoparticles: toward parametric downconversion and amplification. United States. https://doi.org/10.1364/OL.515621
Shah, Syed A., Clark, Michael R., Zyss, Joseph, Sukharev, Maxim, and Piryatinski, Andrei. Tue . "Interplay between gain and loss in arrays of nonlinear plasmonic nanoparticles: toward parametric downconversion and amplification". United States. https://doi.org/10.1364/OL.515621.
@article{osti_2325435,
title = {Interplay between gain and loss in arrays of nonlinear plasmonic nanoparticles: toward parametric downconversion and amplification},
author = {Shah, Syed A. and Clark, Michael R. and Zyss, Joseph and Sukharev, Maxim and Piryatinski, Andrei},
abstractNote = {With the help of a theoretical model and finite-difference time-domain (FDTD) simulations based on the hydrodynamic–Maxwell model, we examine the effect of difference-frequency generation (DFG) in an array of L-shaped metal nanoparticles (MNPs) characterized by intrinsic plasmonic nonlinearity. The outcomes of the calculations reveal the spectral interplay between gain and loss in the vicinity of the fundamental frequency of the localized surface plasmon resonances. Subsequently, we identify different array thicknesses and pumping regimes facilitating parametric amplification and spontaneous parametric downconversion. Our results suggest that the parametric amplification regime becomes feasible on a scale of hundreds of nanometers and spontaneous parametric downconversion on the scale of tens of nanometers, opening up new exciting opportunities for developing building blocks of photonic metasurfaces.},
doi = {10.1364/OL.515621},
journal = {Optics Letters},
number = 7,
volume = 49,
place = {United States},
year = {Tue Mar 19 00:00:00 EDT 2024},
month = {Tue Mar 19 00:00:00 EDT 2024}
}

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