Coupled waveguide model for computing phase and transmission through nanopillar-based metasurfaces.

Poulton, CG; Zeisberger, M; Schmidt, MA

Coupled waveguide model for computing phase and transmission through nanopillar-based metasurfaces.

Poulton, CG Zeisberger, M Schmidt, MA

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Publisher:: Optica Publishing Group
Publication Type:: Journal Article
Citation:: Optics Express, 2023, 31, (26), pp. 44551-44563
Issue Date:: 2023-12-18

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Field	Value	Language
dc.contributor.author	Poulton, CG
dc.contributor.author	Zeisberger, M
dc.contributor.author	Schmidt, MA
dc.date.accessioned	2024-03-18T01:32:23Z
dc.date.available	2024-03-18T01:32:23Z
dc.date.issued	2023-12-18
dc.identifier.citation	Optics Express, 2023, 31, (26), pp. 44551-44563
dc.identifier.issn	1094-4087
dc.identifier.issn	1094-4087
dc.identifier.uri	http://hdl.handle.net/10453/176845
dc.description.abstract	Dielectric metasurfaces are important in modern photonics due to their unique beam shaping capabilities However the standard tools for the computation of the phase and transmission through a nanopillar based metasurface are either simple approximating the properties of the surface by that of a single cylinder or use full 3D numerical simulations Here we introduce a new analytical model for computing metasurface properties which explicitly takes into account the effect of the lattice geometry As an example we investigate silicon nanopillar based metasurfaces examining how the transmission properties depend on the presence of different modes in the unit cell of the metasurface array We find that the new model outperforms the isolated cylinder model in predicting the phase and gives excellent agreement with full numerical simulations when the fill fraction is moderate Our model offers a waveguide perspective for comprehending metasurface properties linking it to fiber optics and serving as a practical tool for future metasurface design
dc.format	Print
dc.language	eng
dc.publisher	Optica Publishing Group
dc.relation	http://purl.org/au-research/grants/arc/DP200101893
dc.relation.ispartof	Optics Express
dc.relation.isbasedon	10.1364/oe.506336
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	0205 Optical Physics, 0906 Electrical and Electronic Engineering, 1005 Communications Technologies
dc.subject.classification	Optics
dc.subject.classification	4006 Communications engineering
dc.subject.classification	4009 Electronics, sensors and digital hardware
dc.subject.classification	5102 Atomic, molecular and optical physics
dc.title	Coupled waveguide model for computing phase and transmission through nanopillar-based metasurfaces.
dc.type	Journal Article
utslib.citation.volume	31
utslib.location.activity	United States
utslib.for	0205 Optical Physics
utslib.for	0906 Electrical and Electronic Engineering
utslib.for	1005 Communications Technologies
pubs.organisational-group	University of Technology Sydney
pubs.organisational-group	University of Technology Sydney/Faculty of Science
pubs.organisational-group	University of Technology Sydney/Faculty of Science/School of Mathematical and Physical Sciences
utslib.copyright.status	open_access	*
pubs.consider-herdc	true
dc.date.updated	2024-03-18T01:32:21Z
pubs.issue	26
pubs.publication-status	Published
pubs.volume	31
utslib.citation.issue	26

Abstract:

Dielectric metasurfaces are important in modern photonics due to their unique beam shaping capabilities However the standard tools for the computation of the phase and transmission through a nanopillar based metasurface are either simple approximating the properties of the surface by that of a single cylinder or use full 3D numerical simulations Here we introduce a new analytical model for computing metasurface properties which explicitly takes into account the effect of the lattice geometry As an example we investigate silicon nanopillar based metasurfaces examining how the transmission properties depend on the presence of different modes in the unit cell of the metasurface array We find that the new model outperforms the isolated cylinder model in predicting the phase and gives excellent agreement with full numerical simulations when the fill fraction is moderate Our model offers a waveguide perspective for comprehending metasurface properties linking it to fiber optics and serving as a practical tool for future metasurface design

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http://hdl.handle.net/10453/176845