Polarization dependent transmission through a sub-wavelength hexagonal aperture surrounded by segmented polygonal grooves

T Nazari, SH Kassani, R Khazaeinezhad, K Oh - Optics Express, 2013 - opg.optica.org
We report enhanced optical transmission (EOT) through a hexagonal aperture surrounded
by polygonal segmented grooves to explore its unique polarization dependence. Effects of …

Directional radiation of surface plasmon polaritons at visible wavelengths through a nanohole dimer optical antenna milled in a gold film

M Janipour, F Hodjat-Kashani - Journal of the Optical Society of …, 2014 - opg.optica.org
The mechanism of optical interaction of two nanoholes, milled in an opaque gold film, by
means of surface plasmon polariton (SPP) propagation is investigated. The interaction …

Harmonic generation in all-dielectric metasurfaces

D Rocco, UA Leon, O Pashina, G Zograf… - Advances in Nonlinear …, 2023 - Elsevier
Nonlinear light generation is a key phenomenon in many optical systems. Recently, the field
of nonlinear optics has moved to the miniaturization of conventional bulky components …

Kerr nonlinear all-optical switches based on asymmetric plasmonic T-shaped single slit

S Ahadi, N Granpayeh - 2015 23rd Iranian Conference on …, 2015 - ieeexplore.ieee.org
All-optical switches are considered as a key element in the optical communication systems
networks. In this article, the performance of a compact switch, based on asymmetric …

High Performance Sub-Diffraction Limit Three Channel Plasmonic Demultiplexer

F Davoodi, N Granpayeh - International Journal of Optics and Photonics, 2014 - ijop.ir
We have proposed a new ultracompact optical demultiplexer based on metalinsulator-metal
plasmonic waveguides aperturecoupled to the ring resonators. Our proposed device has …

Planar metallic lens based on an array of slits modified by perpendicular cuts

H Nasari, MS Abrishamian - 2013 21st Iranian Conference on …, 2013 - ieeexplore.ieee.org
A novel method for beam focusing in plasmonic lenses with an array of nanoslits perforated
on a thin metallic film is proposed. Modifying the nanoslits with perpendicular cuts is utilized …