3 papers
cond-mat.mes-hall2025
THz Emission from Spintronic Microstructure
Abbas Ghaffari, Malek Abdelsamei, Puja Thapa +5
Recent advancements in spintronics have opened a new avenue in terahertz (THz) radiation sources that may outperform the traditional contact-based metallic counterparts. Inspired b…
physics.optics2025
Plasmonic Double-hole Bull's Eye Nano-antenna for Far-field Polarization Control
Abbas Ghaffari, Somayeh Kashani, Jiazhen Li +3
Plasmonic polarization conversion offers significant advantages over conventional methods, including a smaller device footprint and easier integration into photonic circuits. In th…
physics.optics2024
Plasmonic interferometer for nanoscale refractometry
Abbas Ghaffari, Robert Riehn
We numerically study a double-slit interferometer that detects the modification of local phase and amplitude signal due to a refractive index contrast in a nanoplasmonic sensor aft…