An ultra-high sensitive plasmonic refractive index sensor using an elliptical resonator and MIM waveguide

S Khani, M Hayati - Superlattices and microstructures, 2021‏ - Elsevier
In this paper, an elliptical resonator coupled to a straight metal-insulator-metal waveguide
through a silicon layer is used for sensing application. The finite-difference time-domain …

Quad band metal-dielectric-metal perfect absorber to selective sensing application

SA Khatami, P Rezaei, P Zamzam - Optical and Quantum Electronics, 2022‏ - Springer
In this article, we have managed to achieve a quad-band perfect classical absorber in the
terahertz band. In this proposed structure, which consists of three layers that the top and …

Design of all-optical graphene switches based on a Mach-Zehnder interferometer employing optical Kerr effect

S Armaghani, S Khani, M Danaie - Superlattices and Microstructures, 2019‏ - Elsevier
In this paper, all-optical switches using a novel combination of graphene and insulator-metal
plasmonic waveguides are proposed. For the proposed switches the optical Kerr effect is …

RETRACTED ARTICLE: Plasmonic all-optical modulator based on the coupling of a surface Plasmon stub-filter and a meandered MIM waveguide

S Khani, M Danaie, P Rezaei - Optical and Quantum Electronics, 2022‏ - Springer
In this paper, an all-optical plasmonic modulator with a tunable data wavelength is
designed. This structure consists of a stub filter (a metal–insulator–metal straight waveguide …

Plasmonic all-optical metal–insulator–metal switches based on silver nano-rods, comprehensive theoretical analysis and design guidelines

S Khani, M Danaie, P Rezaei - Journal of Computational Electronics, 2021‏ - Springer
In this paper, all-optical plasmonic switches are proposed and analyzed. These structures
consist of a rectangular resonator filled with a Kerr-type material (AuSiO 2) which is coupled …

Double and triple-wavelength plasmonic demultiplexers based on improved circular nanodisk resonators

S Khani, M Danaie, P Rezaei - Optical Engineering, 2018‏ - spiedigitallibrary.org
Plasmonic demultiplexers using improved circular nanodisk resonators (CNRs) and metal-
insulator-metal waveguides have been designed. The proposed structures use air and silver …

Tunable single‐mode bandpass filter based on metal–insulator–metal plasmonic coupled U‐shaped cavities

S Khani, M Danaie, P Rezaei - IET Optoelectronics, 2019‏ - Wiley Online Library
A compact plasmonic bandpass filter based on metal–insulator–metal plasmonic
waveguides and a coupled U‐shaped cavity is proposed in this study. Air and silver are …

Size reduction of MIM surface plasmon based optical bandpass filters by the introduction of arrays of silver nano-rods

S Khani, M Danaie, P Rezaei - Physica E: Low-Dimensional Systems and …, 2019‏ - Elsevier
In this paper, first a square-shaped plasmonic cavity (SSPC), which is laterally coupled to
two metal-insulator-metal (MIM) waveguides, is used to create a single-mode plasmonic …

Hybrid all-optical infrared metal-insulator-metal plasmonic switch incorporating photonic crystal bandgap structures

S Khani, M Danaie, P Rezaei - Photonics and Nanostructures …, 2020‏ - Elsevier
A novel hybrid all-optical infrared switch based on metal-insulator-metal plasmonic and one
dimensional photonic crystal structures is introduced in this paper. A photonic crystal lattice …

Miniaturized microstrip dual-band bandpass filter with wide upper stop-band bandwidth

S Khani, M Danaie, P Rezaei - Analog Integrated Circuits and Signal …, 2019‏ - Springer
A novel microstrip dual-band bandpass filter (BPF) with bended microstrip lines, rectangular
resonators and stepped impedance resonator (SIR) is designed, analyzed and fabricated …