Revisiting substrate-induced bianisotropy in metasurfaces

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Revisiting substrate-induced bianisotropy in metasurfaces. / Albooyeh, Mohammad; Alaee, Rasoul; Rockstuhl, Carsten; Simovski, Constantin.

In: Physical Review B, Vol. 91, No. 19, 195304, 2015, p. 1-11.

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Albooyeh, Mohammad ; Alaee, Rasoul ; Rockstuhl, Carsten ; Simovski, Constantin. / Revisiting substrate-induced bianisotropy in metasurfaces. In: Physical Review B. 2015 ; Vol. 91, No. 19. pp. 1-11.

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@article{020fc07657ee4c67ab3bb11c8f27f63f,
title = "Revisiting substrate-induced bianisotropy in metasurfaces",
abstract = "Recently, it has been shown that a metasurface of plasmonic nanospheres deposited on a highly refractive substrate requires a bianisotropic magnetoelectric coupling for its effective description. The effect has been coined substrate-induced bianisotropy. It leads to an asymmetric reflectance similar to bianisotropic metasurfaces. In this work, through a circuit model, we show that such bianisotropy does not necessarily emerge for all substrated metasurfaces. Indeed, we show that the thickness of the metasurface plays a crucial role to encounter substrate-induced bianisotropy. Moreover, by taking advantage of substrate-induced bianisotropy, we present the necessary conditions for the circuit model parameters to compensate the asymmetric reflectance generated by an intrinsically bianisotropic metasurface. We finally express that, in substrated metasurfaces, the asymmetric reflectance and the bianisotropic response are two separate issues albeit with interdependencies.",
author = "Mohammad Albooyeh and Rasoul Alaee and Carsten Rockstuhl and Constantin Simovski",
year = "2015",
doi = "10.1103/PhysRevB.91.195304",
language = "English",
volume = "91",
pages = "1--11",
journal = "Physical Review B (Condensed Matter and Materials Physics)",
issn = "2469-9950",
publisher = "American Physical Society",
number = "19",

}

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TY - JOUR

T1 - Revisiting substrate-induced bianisotropy in metasurfaces

AU - Albooyeh, Mohammad

AU - Alaee, Rasoul

AU - Rockstuhl, Carsten

AU - Simovski, Constantin

PY - 2015

Y1 - 2015

N2 - Recently, it has been shown that a metasurface of plasmonic nanospheres deposited on a highly refractive substrate requires a bianisotropic magnetoelectric coupling for its effective description. The effect has been coined substrate-induced bianisotropy. It leads to an asymmetric reflectance similar to bianisotropic metasurfaces. In this work, through a circuit model, we show that such bianisotropy does not necessarily emerge for all substrated metasurfaces. Indeed, we show that the thickness of the metasurface plays a crucial role to encounter substrate-induced bianisotropy. Moreover, by taking advantage of substrate-induced bianisotropy, we present the necessary conditions for the circuit model parameters to compensate the asymmetric reflectance generated by an intrinsically bianisotropic metasurface. We finally express that, in substrated metasurfaces, the asymmetric reflectance and the bianisotropic response are two separate issues albeit with interdependencies.

AB - Recently, it has been shown that a metasurface of plasmonic nanospheres deposited on a highly refractive substrate requires a bianisotropic magnetoelectric coupling for its effective description. The effect has been coined substrate-induced bianisotropy. It leads to an asymmetric reflectance similar to bianisotropic metasurfaces. In this work, through a circuit model, we show that such bianisotropy does not necessarily emerge for all substrated metasurfaces. Indeed, we show that the thickness of the metasurface plays a crucial role to encounter substrate-induced bianisotropy. Moreover, by taking advantage of substrate-induced bianisotropy, we present the necessary conditions for the circuit model parameters to compensate the asymmetric reflectance generated by an intrinsically bianisotropic metasurface. We finally express that, in substrated metasurfaces, the asymmetric reflectance and the bianisotropic response are two separate issues albeit with interdependencies.

UR - http://dx.doi.org/10.1103/PhysRevB.91.195304

U2 - 10.1103/PhysRevB.91.195304

DO - 10.1103/PhysRevB.91.195304

M3 - Article

VL - 91

SP - 1

EP - 11

JO - Physical Review B (Condensed Matter and Materials Physics)

JF - Physical Review B (Condensed Matter and Materials Physics)

SN - 2469-9950

IS - 19

M1 - 195304

ER -

ID: 1986614