Tunable anisotropic electro-optic metasurfaces

Luyao Wang; Frank Setzpfandt; Ilya Shadrivov

doi:10.1364/OME.499704

Tunable anisotropic electro-optic metasurfaces

Luyao Wang^*, Frank Setzpfandt, Ilya Shadrivov

^*Corresponding author for this work

ARC Centre of Excellence for Transformative Meta-Optical Systems

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

5 Citations (Scopus)

Abstract

We numerically study polarisation conversion by anisotropic metasurfaces made of electro-optic material on a silica substrate and show that we can control the polarisation of transmitted waves dynamically. We predict that such metasurfaces can exhibit tunability of the cross-polarisation conversion of linear incident polarisation as well as tunable circular dichroism. We compare the metasurface performance for direct and inverse structures and find that the cross-polarisation transmission coefficient can be tuned by approximately 0.5, while the predicted tunability of circular dichroism is close to 0.8.

Original language	English
Pages (from-to)	3376-3383
Number of pages	8
Journal	Optical Materials Express
Volume	13
Issue number	11
DOIs	https://doi.org/10.1364/OME.499704
Publication status	Published - 1 Nov 2023

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abstract = "We numerically study polarisation conversion by anisotropic metasurfaces made of electro-optic material on a silica substrate and show that we can control the polarisation of transmitted waves dynamically. We predict that such metasurfaces can exhibit tunability of the cross-polarisation conversion of linear incident polarisation as well as tunable circular dichroism. We compare the metasurface performance for direct and inverse structures and find that the cross-polarisation transmission coefficient can be tuned by approximately 0.5, while the predicted tunability of circular dichroism is close to 0.8.",

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N2 - We numerically study polarisation conversion by anisotropic metasurfaces made of electro-optic material on a silica substrate and show that we can control the polarisation of transmitted waves dynamically. We predict that such metasurfaces can exhibit tunability of the cross-polarisation conversion of linear incident polarisation as well as tunable circular dichroism. We compare the metasurface performance for direct and inverse structures and find that the cross-polarisation transmission coefficient can be tuned by approximately 0.5, while the predicted tunability of circular dichroism is close to 0.8.

AB - We numerically study polarisation conversion by anisotropic metasurfaces made of electro-optic material on a silica substrate and show that we can control the polarisation of transmitted waves dynamically. We predict that such metasurfaces can exhibit tunability of the cross-polarisation conversion of linear incident polarisation as well as tunable circular dichroism. We compare the metasurface performance for direct and inverse structures and find that the cross-polarisation transmission coefficient can be tuned by approximately 0.5, while the predicted tunability of circular dichroism is close to 0.8.

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U2 - 10.1364/OME.499704

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JO - Optical Materials Express

JF - Optical Materials Express

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Tunable anisotropic electro-optic metasurfaces

Abstract

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