Symmetry-Guided Engineering of Polarization by 2D Moire Metasurfaces

Max J.H. Tan; Francisco Freire-Fernández; Teri W. Odom

doi:10.1021/acsnano.4c05714

Symmetry-Guided Engineering of Polarization by 2D Moire Metasurfaces

Max J.H. Tan, Francisco Freire-Fernández, Teri W. Odom^*

^*Corresponding author for this work

Chemistry

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

1 Scopus citations

Abstract

Cylindrical vector (CV) beams exhibit spatially varying polarization important in optical communication, super-resolution microscopy, and high-throughput information processing. Compared to radially or azimuthally polarized CV beams that are cylindrically symmetric, hybrid-electric (HE) beams offer increased optical tunability because of their polygonally symmetric polarizations. However, efforts to generate and isolate HE beams have relied on bulky optical assemblies or devices with complex and stringent fabrication requirements. Here, we report a moire-based metasurface approach to engineer HE polarization states with high degrees of rotational symmetry. Importantly, polarization symmetries can be tailored based only on the reciprocal lattice of the metasurface and not the real-space patterns. Our modular method outlines important design principles for shaping light at the nanoscale.

Original language	English (US)
Pages (from-to)	23181-23188
Number of pages	8
Journal	ACS nano
Volume	18
Issue number	34
DOIs	https://doi.org/10.1021/acsnano.4c05714
State	Published - Aug 27 2024

Funding

This work was supported by the Vannevar Bush Faculty Fellowship from the U.S. Department of Defense (DOD N00014-17-1-3023, F.F.F., M.J.H.T., T.W.O.). This work made use of NUFAB, EPIC, and SPID facilities of Northwestern University\u2019s NUANCE Center that has received support from the SHyNE Resource (NSF ECCS-2025633), the International Institute of Nanotechnology (IIN) at Northwestern University, and Northwestern\u2019s MRSEC Program (NSF DMR-1720139). This work used the Quest high-performance computing facility supported by the Office of the Provost, the Office for Research, and Northwestern University Information Technology. M.J.H.T. gratefully acknowledges support from the Ryan Fellowship and the IIN. We also thank Dr. Serkan Butun for his assistance with sample fabrication.

Keywords

2D plasmonic lattices
hybrid electric cylindrical vector beams
laser engineering
moire metasurfaces
perovskite nanocrystals
symmetry engineering

ASJC Scopus subject areas

General Materials Science
General Engineering
General Physics and Astronomy

Access to Document

10.1021/acsnano.4c05714

Cite this

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title = "Symmetry-Guided Engineering of Polarization by 2D Moire Metasurfaces",

abstract = "Cylindrical vector (CV) beams exhibit spatially varying polarization important in optical communication, super-resolution microscopy, and high-throughput information processing. Compared to radially or azimuthally polarized CV beams that are cylindrically symmetric, hybrid-electric (HE) beams offer increased optical tunability because of their polygonally symmetric polarizations. However, efforts to generate and isolate HE beams have relied on bulky optical assemblies or devices with complex and stringent fabrication requirements. Here, we report a moire-based metasurface approach to engineer HE polarization states with high degrees of rotational symmetry. Importantly, polarization symmetries can be tailored based only on the reciprocal lattice of the metasurface and not the real-space patterns. Our modular method outlines important design principles for shaping light at the nanoscale.",

keywords = "2D plasmonic lattices, hybrid electric cylindrical vector beams, laser engineering, moire metasurfaces, perovskite nanocrystals, symmetry engineering",

author = "Tan, {Max J.H.} and Francisco Freire-Fern{\'a}ndez and Odom, {Teri W.}",

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AU - Odom, Teri W.

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Y1 - 2024/8/27

N2 - Cylindrical vector (CV) beams exhibit spatially varying polarization important in optical communication, super-resolution microscopy, and high-throughput information processing. Compared to radially or azimuthally polarized CV beams that are cylindrically symmetric, hybrid-electric (HE) beams offer increased optical tunability because of their polygonally symmetric polarizations. However, efforts to generate and isolate HE beams have relied on bulky optical assemblies or devices with complex and stringent fabrication requirements. Here, we report a moire-based metasurface approach to engineer HE polarization states with high degrees of rotational symmetry. Importantly, polarization symmetries can be tailored based only on the reciprocal lattice of the metasurface and not the real-space patterns. Our modular method outlines important design principles for shaping light at the nanoscale.

AB - Cylindrical vector (CV) beams exhibit spatially varying polarization important in optical communication, super-resolution microscopy, and high-throughput information processing. Compared to radially or azimuthally polarized CV beams that are cylindrically symmetric, hybrid-electric (HE) beams offer increased optical tunability because of their polygonally symmetric polarizations. However, efforts to generate and isolate HE beams have relied on bulky optical assemblies or devices with complex and stringent fabrication requirements. Here, we report a moire-based metasurface approach to engineer HE polarization states with high degrees of rotational symmetry. Importantly, polarization symmetries can be tailored based only on the reciprocal lattice of the metasurface and not the real-space patterns. Our modular method outlines important design principles for shaping light at the nanoscale.

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Symmetry-Guided Engineering of Polarization by 2D Moire Metasurfaces

Abstract

Funding

Keywords

ASJC Scopus subject areas

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