Metasurfaces atop metamaterials: surface morphology induces linear dichroism in gyroid optical metamaterials

Research output: Contribution to journalArticle

Standard

Metasurfaces atop metamaterials : surface morphology induces linear dichroism in gyroid optical metamaterials. / Dolan, James; Dehmel, Raphael; Demetriadou, Angela; Gu, Yibei ; Wiesner, Ulrich ; Wilkinson, Timothy; Gunkel, Ilja ; Hess, Ortwin; Baumberg, Jeremy J.; Steiner, Ullrich; Saba, Matthias ; Wilts, Bodo.

In: Advanced Materials, Vol. 31, No. 2, 1803478, 11.01.2019.

Research output: Contribution to journalArticle

Harvard

Dolan, J, Dehmel, R, Demetriadou, A, Gu, Y, Wiesner, U, Wilkinson, T, Gunkel, I, Hess, O, Baumberg, JJ, Steiner, U, Saba, M & Wilts, B 2019, 'Metasurfaces atop metamaterials: surface morphology induces linear dichroism in gyroid optical metamaterials', Advanced Materials, vol. 31, no. 2, 1803478. https://doi.org/10.1002/adma.201803478

APA

Dolan, J., Dehmel, R., Demetriadou, A., Gu, Y., Wiesner, U., Wilkinson, T., Gunkel, I., Hess, O., Baumberg, J. J., Steiner, U., Saba, M., & Wilts, B. (2019). Metasurfaces atop metamaterials: surface morphology induces linear dichroism in gyroid optical metamaterials. Advanced Materials, 31(2), [1803478]. https://doi.org/10.1002/adma.201803478

Vancouver

Author

Dolan, James ; Dehmel, Raphael ; Demetriadou, Angela ; Gu, Yibei ; Wiesner, Ulrich ; Wilkinson, Timothy ; Gunkel, Ilja ; Hess, Ortwin ; Baumberg, Jeremy J. ; Steiner, Ullrich ; Saba, Matthias ; Wilts, Bodo. / Metasurfaces atop metamaterials : surface morphology induces linear dichroism in gyroid optical metamaterials. In: Advanced Materials. 2019 ; Vol. 31, No. 2.

Bibtex

@article{dd45da78734e429dbb1f8fdcf988521b,
title = "Metasurfaces atop metamaterials: surface morphology induces linear dichroism in gyroid optical metamaterials",
abstract = "Optical metamaterials offer the tantalizing possibility of creating extraordinary optical properties through the careful design and arrangement of subwavelength structural units. Gyroid-structured optical metamaterials possess a chiral, cubic, and triply periodic bulk morphology that exhibits a redshifted effective plasma frequency. They also exhibit a strong linear dichroism, the origin of which is not yet understood. Here, the interaction of light with gold gyroid optical metamaterials is studied and a strong correlation between the surface morphology and its linear dichroism is found. The termination of the gyroid surface breaks the cubic symmetry of the bulk lattice and gives rise to the observed wavelength- and polarization-dependent reflection. The results show that light couples into both localized and propagating plasmon modes associated with anisotropic surface protrusions and the gaps between such protrusions. The localized surface modes give rise to the anisotropic optical response, creating the linear dichroism. Simulated reflection spectra are highly sensitive to minute details of these surface terminations, down to the nanometer level, and can be understood with analogy to the optical properties of a 2D anisotropic metasurface atop a 3D isotropic metamaterial. This pronounced sensitivity to the subwavelength surface morphology has significant consequences for both the design and application of optical metamaterials.",
keywords = "cubic symmetry, gyroid-structured materials, metasurfaces, optical metamaterials, optical anisotropy",
author = "James Dolan and Raphael Dehmel and Angela Demetriadou and Yibei Gu and Ulrich Wiesner and Timothy Wilkinson and Ilja Gunkel and Ortwin Hess and Baumberg, {Jeremy J.} and Ullrich Steiner and Matthias Saba and Bodo Wilts",
note = "J. A. Dolan, R. Dehmel, A. Demetriadou, Y. Gu, U. Wiesner, T. D. Wilkinson, I. Gunkel, O. Hess, J. J. Baumberg, U. Steiner, M. Saba, B. D. Wilts, Adv. Mater. 2019, 31, 1803478. https://doi.org/10.1002/adma.201803478",
year = "2019",
month = jan
day = "11",
doi = "10.1002/adma.201803478",
language = "English",
volume = "31",
journal = "Advanced Materials",
issn = "0935-9648",
publisher = "Wiley-VCH Verlag",
number = "2",

}

RIS

TY - JOUR

T1 - Metasurfaces atop metamaterials

T2 - surface morphology induces linear dichroism in gyroid optical metamaterials

AU - Dolan, James

AU - Dehmel, Raphael

AU - Demetriadou, Angela

AU - Gu, Yibei

AU - Wiesner, Ulrich

AU - Wilkinson, Timothy

AU - Gunkel, Ilja

AU - Hess, Ortwin

AU - Baumberg, Jeremy J.

AU - Steiner, Ullrich

AU - Saba, Matthias

AU - Wilts, Bodo

N1 - J. A. Dolan, R. Dehmel, A. Demetriadou, Y. Gu, U. Wiesner, T. D. Wilkinson, I. Gunkel, O. Hess, J. J. Baumberg, U. Steiner, M. Saba, B. D. Wilts, Adv. Mater. 2019, 31, 1803478. https://doi.org/10.1002/adma.201803478

PY - 2019/1/11

Y1 - 2019/1/11

N2 - Optical metamaterials offer the tantalizing possibility of creating extraordinary optical properties through the careful design and arrangement of subwavelength structural units. Gyroid-structured optical metamaterials possess a chiral, cubic, and triply periodic bulk morphology that exhibits a redshifted effective plasma frequency. They also exhibit a strong linear dichroism, the origin of which is not yet understood. Here, the interaction of light with gold gyroid optical metamaterials is studied and a strong correlation between the surface morphology and its linear dichroism is found. The termination of the gyroid surface breaks the cubic symmetry of the bulk lattice and gives rise to the observed wavelength- and polarization-dependent reflection. The results show that light couples into both localized and propagating plasmon modes associated with anisotropic surface protrusions and the gaps between such protrusions. The localized surface modes give rise to the anisotropic optical response, creating the linear dichroism. Simulated reflection spectra are highly sensitive to minute details of these surface terminations, down to the nanometer level, and can be understood with analogy to the optical properties of a 2D anisotropic metasurface atop a 3D isotropic metamaterial. This pronounced sensitivity to the subwavelength surface morphology has significant consequences for both the design and application of optical metamaterials.

AB - Optical metamaterials offer the tantalizing possibility of creating extraordinary optical properties through the careful design and arrangement of subwavelength structural units. Gyroid-structured optical metamaterials possess a chiral, cubic, and triply periodic bulk morphology that exhibits a redshifted effective plasma frequency. They also exhibit a strong linear dichroism, the origin of which is not yet understood. Here, the interaction of light with gold gyroid optical metamaterials is studied and a strong correlation between the surface morphology and its linear dichroism is found. The termination of the gyroid surface breaks the cubic symmetry of the bulk lattice and gives rise to the observed wavelength- and polarization-dependent reflection. The results show that light couples into both localized and propagating plasmon modes associated with anisotropic surface protrusions and the gaps between such protrusions. The localized surface modes give rise to the anisotropic optical response, creating the linear dichroism. Simulated reflection spectra are highly sensitive to minute details of these surface terminations, down to the nanometer level, and can be understood with analogy to the optical properties of a 2D anisotropic metasurface atop a 3D isotropic metamaterial. This pronounced sensitivity to the subwavelength surface morphology has significant consequences for both the design and application of optical metamaterials.

KW - cubic symmetry

KW - gyroid-structured materials

KW - metasurfaces

KW - optical metamaterials

KW - optical anisotropy

UR - http://www.scopus.com/inward/record.url?scp=85056101687&partnerID=8YFLogxK

U2 - 10.1002/adma.201803478

DO - 10.1002/adma.201803478

M3 - Article

VL - 31

JO - Advanced Materials

JF - Advanced Materials

SN - 0935-9648

IS - 2

M1 - 1803478

ER -