3 papers
physics.optics2026
Dipolar Modeling of Multipolar Metasurfaces
Hossein Allahverdizadeh, Karim Achouri
Multipolar decomposition is a powerful tool for analyzing and designing metasurfaces, but its practical application is often limited by the mathematical complexity that arises when…
physics.optics2026
Scattering Symmetries in Diffraction Gratings
Karim Achouri
Metasurfaces enable powerful control of electromagnetic waves using subwavelength planar structures, but their deeply subwavelength periodicity typically suppresses propagating dif…
physics.optics2026
Generalized Invisibility in Metasurfaces
Mustafa Yücel, Karim Achouri
Electromagnetic invisibility, defined as reflectionless transmission with zero phase delay, imposes strict constraints on metasurface designs that go beyond conventional reflection…