activity
20182024
most citedTunable nanophotonics enabled by chalcogenide phase-change materials

445 citations · 1.6k across the 12 of their papers we have counts for

collaborators
Showing physics.opticsShow all

12 papers · 1 filter

physics.optics2024

High-throughput antibody screening with high-quality factor nanophotonics and bioprinting

Sajjad Abdollahramezani, Darrell Omo-Lamai, Gerlof Bosman +12

Empirical investigation of the quintillion-scale, functionally diverse antibody repertoires that can be generated synthetically or naturally is critical for identifying potential b…

physics.optics2022★ 88 cited

Complex Skin Modes in Non-Hermitian Coupled Laser Arrays

Yuzhou G. N. Liu, Yunxuan Wei, Omid Hemmatyar +4

From biological ecosystems to spin glasses, connectivity plays a crucial role in determining the function, dynamics, and resiliency of a network. In the realm of non-Hermitian phys…

physics.optics2021★ 21 cited

Enhanced Meta-Displays Using Advanced Phase-Change Materials

Omid Hemmatyar, Sajjad Abdollahramezani, Ioannis Zeimpekis +12

Structural colors generated due to light scattering from static all-dielectric metasurfaces have successfully enabled high-resolution, high-saturation, and wide-gamut color printin…

physics.optics2021★ 12 cited

Advanced Phase-Change Materials for Enhanced Meta-Displays

Omid Hemmatyar, Sajjad Abdollahramezani, Sergey Lepeshov +4

Structural colors generated due to light scattering from static all-dielectric metasurfaces have successfully enabled high-resolution, high-saturation and wide-gamut color printing…

physics.optics2021★ 371 cited

Electrically driven programmable phase-change meta-switch reaching 80% efficiency

Sajjad Abdollahramezani, Omid Hemmatyar, Mohammad Taghinejad +11

Despite recent advances in active metaoptics, wide dynamic range combined with high-speed reconfigurable solutions is still elusive. Phase-change materials (PCMs) offer a compellin…

physics.optics2021★ 15 cited

Engineering Interaction Dynamics in Active Resonant Photonic Structures

Yuzhou G. N. Liu, Omid Hemmatyar, Absar U. Hassan +4

The collective response of a system is profoundly shaped by the interaction dynamics between its constituent elements. In physics, tailoring these interactions can enable the obser…

physics.optics2020★ 153 cited

Dynamic hybrid metasurfaces

Sajjad Abdollahramezani, Omid Hemmatyar, Mohammad Taghinejad +10

Efficient hybrid plasmonic-photonic metasurfaces that simultaneously take advantage of the potential of both pure metallic and all-dielectric nanoantennas are identified as an emer…

physics.optics2020★ 165 cited

Meta-optics for spatial optical analog computing

Sajjad Abdollahramezani, Omid Hemmatyar, Ali Adibi

Rapidly growing demands for high-performance computing, powerful data processing systems, and big data necessitate the advent of novel optical devices to perform demanding computin…

physics.optics2020★ 445 cited

Tunable nanophotonics enabled by chalcogenide phase-change materials

Sajjad Abdollahramezani, Omid Hemmatyar, Hossein Taghinejad +5

Nanophotonics has garnered intensive attention due to its unique capabilities in molding the flow of light in the subwavelength regime. Metasurfaces (MSs) and photonic integrated c…

physics.optics2019★ 99 cited

Knowledge Discovery In Nanophotonics Using Geometric Deep Learning

Yashar Kiarashinejad, Mohammadreza Zandehshahvar, Sajjad Abdollahramezani +3

We present here a new approach for using the intelligence aspects of artificial intelligence for knowledge discovery rather than device optimization in electromagnetic (EM) nanostr…

physics.optics2019★ 104 cited

Deep Learning Reveals Underlying Physics of Light-matter Interactions in Nanophotonic Devices

Yashar Kiarashinejad, Sajjad Abdollahramezani, Mohammadreza Zandehshahvar +2

In this paper, we present a deep learning-based (DL-based) algorithm, as a purely mathematical platform, for providing intuitive understanding of the properties of electromagnetic…

physics.optics2018

Beam Manipulation by Hybrid Plasmonic-Dielectric Metasurfaces

Kamalodin Arik

A hybrid plasmonic-dielectric metasurface is proposed in order to manipulate beam propagation in desired manners. The metasurface is composed of patterned hybrid graphene-silicon n…