3 papers
physics.optics2025
Chirality-driven all-optical image differentiation
Stefanos Fr. Koufidis, Zeki Hayran, Francesco Monticone +2
Optical analog computing enables powerful functionalities, including spatial differentiation, image processing, and ultrafast linear operations. Yet, most existing approaches rely…
physics.gen-ph2025
Coupling Light Waves to Gravitational Waves
Martin W. McCall, Stefanos Fr. Koufidis
We demonstrate analytically that gravitational waves, upon interacting with co-propagating electromagnetic radiation in a plasma, induce distinctive sidebands on the modulated ligh…
physics.optics2022
Reverse Circular Bragg Phenomenon
Martin W. McCall, Stefanos Fr. Koufidis
The axial propagation of circularly polarized light in an optically active structurally chiral medium is exactly solved via full electromagnetic analysis. Some symmetries of the sy…