3 papers
physics.optics2025
Waveguide-Plasmon Polariton Quasiparticles with Exceptional Point Characteristics
P. Chang, S. Ramezanpour, A. Helmy
The growing complexity of integrated photonics necessitates compact, low-power devices that transcend traditional, material-centric design approaches. In this study, we harness non…
physics.optics2025
Fully Programmable Plasmonic PT-Symmetric Dimer with Epsilon Near Zero and Phase-Change Materials for Integrated Photonics
Shahab Ramezanpour, Amr Helmy
As photonic systems progress toward enhanced miniaturization, dynamic reconfigurability, and improved energy efficiency, a central challenge endures: the accurate and independent c…
physics.optics2025
Exceptional Points in Hybrid-Plasmonic Quasiparticles for Ultracompact Modulators
Shahab Ramezanpour, Amr Helmy
Current progress in electro-optical modulation within silicon integrated photonics, driven by the unique capabilities of advanced functional materials, has led to significant impro…