TY  - CONF
AU  - Stojanović, Danka
AU  - Ralević, U.
AU  - Demirhan, Y.
AU  - Aygun, G.
AU  - Ozyuzer, L.
PY  - 2023
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/11824
AB  - Metamaterials that respond resonantly in interaction with the terahertz (THz) electromagnetic waves are significant for the achievement of diverse optical functionalities in THz spectral range [1]. Also, they are virtually desirable platforms for investigating chiral effects which rise due to different interaction of metamaterials with left and right circularly polarized light [2,3]. Light polarization is an important feature of electromagnetic waves and manipulation of polarization plays pivotal role in various areas such as communications, imaging and sensing. One of potential applications of the THz metadevices is for protein quality control in the biotechnology or food industries [4]. Chiral properties of metamaterial can be modified via different external influences, such as by changing the interlayer twist angle, adding a dielectric spacer, or modulating its thickness. Twisting or rotating achiral layered structures in parallel planes enables engineering of the extrinsic chirality and consequential optical performance. For example, the twist angle from counterclockwise rotation of an upper layer with respect to the one under it, leads to a left-handed stacking geometry [5]. In this study, we performed numerical simulations of the metamaterial structure in terahertz frequency range, 0.25-0.75 THz. The numerical simulations were done for the case of two parallel gold rosettes on sapphire substrates in which we analyzed the influence of rotating one rosette with respect to the another on chiral properties. Two geometries of the rosette based structures were studied. First geometry is based on resonator which consists of two same parallel rosettes and the second one of two parallel rosettes, but one of them is trimmed.
PB  - Belgrade : Vinča Institute of Nuclear Sciences
C3  - PHOTONICA2023 : 9th International School and Conference on Photonics : book of abstracts; August 28 - September 1, 2023; Belgrade
T1  - Rosette based metamaterial for circularly polarized terahertz waves manipulation
SP  - 132
EP  - 132
UR  - https://hdl.handle.net/21.15107/rcub_vinar_11824
ER  - 

@conference{
author = "Stojanović, Danka and Ralević, U. and Demirhan, Y. and Aygun, G. and Ozyuzer, L.",
year = "2023",
abstract = "Metamaterials that respond resonantly in interaction with the terahertz (THz) electromagnetic waves are significant for the achievement of diverse optical functionalities in THz spectral range [1]. Also, they are virtually desirable platforms for investigating chiral effects which rise due to different interaction of metamaterials with left and right circularly polarized light [2,3]. Light polarization is an important feature of electromagnetic waves and manipulation of polarization plays pivotal role in various areas such as communications, imaging and sensing. One of potential applications of the THz metadevices is for protein quality control in the biotechnology or food industries [4]. Chiral properties of metamaterial can be modified via different external influences, such as by changing the interlayer twist angle, adding a dielectric spacer, or modulating its thickness. Twisting or rotating achiral layered structures in parallel planes enables engineering of the extrinsic chirality and consequential optical performance. For example, the twist angle from counterclockwise rotation of an upper layer with respect to the one under it, leads to a left-handed stacking geometry [5]. In this study, we performed numerical simulations of the metamaterial structure in terahertz frequency range, 0.25-0.75 THz. The numerical simulations were done for the case of two parallel gold rosettes on sapphire substrates in which we analyzed the influence of rotating one rosette with respect to the another on chiral properties. Two geometries of the rosette based structures were studied. First geometry is based on resonator which consists of two same parallel rosettes and the second one of two parallel rosettes, but one of them is trimmed.",
publisher = "Belgrade : Vinča Institute of Nuclear Sciences",
journal = "PHOTONICA2023 : 9th International School and Conference on Photonics : book of abstracts; August 28 - September 1, 2023; Belgrade",
title = "Rosette based metamaterial for circularly polarized terahertz waves manipulation",
pages = "132-132",
url = "https://hdl.handle.net/21.15107/rcub_vinar_11824"
}

Stojanović, D., Ralević, U., Demirhan, Y., Aygun, G.,& Ozyuzer, L.. (2023). Rosette based metamaterial for circularly polarized terahertz waves manipulation. in PHOTONICA2023 : 9th International School and Conference on Photonics : book of abstracts; August 28 - September 1, 2023; Belgrade
Belgrade : Vinča Institute of Nuclear Sciences., 132-132.
https://hdl.handle.net/21.15107/rcub_vinar_11824

Stojanović D, Ralević U, Demirhan Y, Aygun G, Ozyuzer L. Rosette based metamaterial for circularly polarized terahertz waves manipulation. in PHOTONICA2023 : 9th International School and Conference on Photonics : book of abstracts; August 28 - September 1, 2023; Belgrade. 2023;:132-132.
https://hdl.handle.net/21.15107/rcub_vinar_11824 .

Stojanović, Danka, Ralević, U., Demirhan, Y., Aygun, G., Ozyuzer, L., "Rosette based metamaterial for circularly polarized terahertz waves manipulation" in PHOTONICA2023 : 9th International School and Conference on Photonics : book of abstracts; August 28 - September 1, 2023; Belgrade (2023):132-132,
https://hdl.handle.net/21.15107/rcub_vinar_11824 .