Terahertz plasmonics: The rise of toroidal metadevices towards immunobiosensings

A Ahmadivand, B Gerislioglu, R Ahuja, YK Mishra - Materials Today, 2020 - Elsevier
This work reviews fundamentals and the recent state-of-art achievements in the field of
plasmonic biosensing based terahertz (THz) spectroscopy. Being nonpoisonous and …

Photonic and plasmonic metasensors

A Ahmadivand, B Gerislioglu - Laser & Photonics Reviews, 2022 - Wiley Online Library
Biosensors have been designed and developed for detecting biomarkers, biomolecules,
proteins, enzymes, organisms, and various types of bacterial and viral diseases since the …

Quasi-bound states in the continuum with a stable resonance wavelength in dimer dielectric metasurfaces

S You, M Zhou, L Xu, D Chen, M Fan, J Huang… - …, 2023 - degruyter.com
Symmetry-protected bound states in the continuum (SP-BICs) are one of the most intensively
studied BICs. Typically, SP-BICs must be converted into quasi-BICs (QBICs) by breaking the …

Toroidal metaphotonics and metadevices

A Ahmadivand, B Gerislioglu, R Ahuja… - Laser & Photonics …, 2020 - Wiley Online Library
Toroidal moments in artificial media have received growing attention and considered as a
promising framework for initiating novel approaches to manage intrinsic radiative losses in …

The role of Ge2Sb2Te5 in enhancing the performance of functional plasmonic devices

B Gerislioglu, G Bakan, R Ahuja, J Adam… - Materials Today …, 2020 - Elsevier
Phase-change materials (PCMs) and compounds enable a combination of features for
implementing advanced and multifunctional nanophotonic applications. Possessing …

Controlled self-assembly of plasmon-based photonic nanocrystals for high performance photonic technologies

A Yadav, B Gerislioglu, A Ahmadivand, A Kaushik… - Nano Today, 2021 - Elsevier
The self-assembled plasmonic nano-enabled photonic crystals (PCs) have been studied as
promising platforms to develop next-generation photonic and opto-electronic devices. In this …

Tunable metamaterial filter for optical communication in the terahertz frequency range

W Yang, YS Lin - Optics Express, 2020 - opg.optica.org
We present a design of a tunable terahertz (THz) filter (TTF) used in an indoor
communication system. The unit cell of TTF is composed of ring-shaped and cross-shaped …

[HTML][HTML] Two-dimensional materials toward terahertz optoelectronic device applications

Z Shi, H Zhang, K Khan, R Cao, Y Zhang, C Ma… - … of Photochemistry and …, 2022 - Elsevier
Abstract Two-dimensional (2D) materials have become a worldwide hot topic due to their
fascinating properties, including high carrier mobility, tunable bandgap, ultra-broadband …

Toroidal dipole-enhanced third harmonic generation of deep ultraviolet light using plasmonic meta-atoms

A Ahmadivand, M Semmlinger, L Dong… - Nano …, 2018 - ACS Publications
The harmonic generation of light with plasmonic and all-dielectric nanostructures has
gained much recent interest. This approach is especially promising for short wavelength (ie …

Multiple toroidal dipole Fano resonances of asymmetric dielectric nanohole arrays

C Zhou, S Li, Y Wang, M Zhan - Physical Review B, 2019 - APS
The toroidal dipole is a fundamental electromagnetic excitation independent from the well-
known electric and magnetic dipoles, which enables strong resonances in nanostructure …