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 …

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 …

Ultrasensitive terahertz sensing with high-Q toroidal dipole resonance governed by bound states in the continuum in all-dielectric metasurface

Y Wang, Z Han, Y Du, J Qin - Nanophotonics, 2021 - degruyter.com
Toroidal dipole (TD) with weak coupling to the electromagnetic fields offers tremendous
potential for advanced design of photonic devices. However, the excitation of high quality …

Functionalized terahertz plasmonic metasensors: Femtomolar-level detection of SARS-CoV-2 spike proteins

A Ahmadivand, B Gerislioglu, Z Ramezani… - Biosensors and …, 2021 - Elsevier
Effective and efficient management of human betacoronavirus severe acute respiratory
syndrome (SARS)-CoV-2 virus infection ie, COVID-19 pandemic, required sensitive and …

Terahertz toroidal metasurface biosensor for sensitive distinction of lung cancer cells

C Zhang, T Xue, J Zhang, L Liu, J Xie, G Wang… - …, 2021 - degruyter.com
Lung cancer is the most frequently life-threatening disease and the prominent cause of
cancer-related mortality among human beings worldwide, where poor early diagnosis and …

Terahertz microfluidic sensing with dual‐torus toroidal metasurfaces

J Xu, D Liao, M Gupta, Y Zhu, S Zhuang… - Advanced Optical …, 2021 - Wiley Online Library
Toroidal excitation manifests as currents flowing on the surface of a torus along its meridians
that are known as poloidal currents. Several intriguing phenomena such as nonradiating …

Grating-coupled surface plasmon-polariton sensing at a flat metal–analyte interface in a hybrid-configuration

S Joseph, S Sarkar, J Joseph - ACS Applied Materials & Interfaces, 2020 - ACS Publications
Surface plasmon resonance-based sensors have emerged as commercially fostering
portable biodetectors. The scientific community is engaged in extensive research to improve …

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 …

Ultra-sensitive biosensor with simultaneous detection (of cancer and diabetes) and analysis of deformation effects on dielectric rods in optical microstructure

S Chupradit, S Ashfaq, D Bokov, W Suksatan, AT Jalil… - Coatings, 2021 - mdpi.com
This study proposes a refractive index sensor for the simultaneous detection of cancer and
diabetes based on photonic crystals (PhC). The proposed PhC composed of silicon rods in …

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 …