Hamid T. Chorsi
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View article: Topological Materials for Functional Optoelectronic Devices
Topological Materials for Functional Optoelectronic Devices Open
The recent realization of topology as a mathematical concept in condensed matter systems has shattered Landau's widely accepted classification of phases by spontaneous symmetry breaking as he famously said, “a particular symmetry property …
View article: The scaling of the microLED and the advantage of 2D materials
The scaling of the microLED and the advantage of 2D materials Open
The demand for higher resolution displays drives the demand for smaller pixels. Displays show a trend of doubling the pixel number every 4 years and doubling the pixel per inch (PPI) every 6 years. As the prospective candidate for next-gen…
View article: Plasmonics as a fabrication tool
Plasmonics as a fabrication tool Open
Plasmonic nanolithography is a nanofabrication technique which exploits surface plasmons to generate subdiffraction patterns. In this review, we highlight the key concepts in plasmonic nanolithography, review the pioneering papers and prov…
View article: Widely Tunable Optical and Thermal Properties of Dirac Semimetal Cd<sub>3</sub>As<sub>2</sub>
Widely Tunable Optical and Thermal Properties of Dirac Semimetal Cd<sub>3</sub>As<sub>2</sub> Open
In this paper, a detailed analysis of the temperature‐dependent optical properties of epitaxially grown cadmium arsenide (Cd 3 As 2 ), a newly discovered 3D Dirac semimetal is reported. Fermi level tuning—instigated from Pauli‐blocking in …
View article: Gate-tunable metafilm absorber based on indium silicon oxide
Gate-tunable metafilm absorber based on indium silicon oxide Open
In this work, reconfigurable metafilm absorbers based on indium silicon oxide (ISO) were investigated. The metafilm absorbers consist of nanoscale metallic resonator arrays on metal-insulator-metal (MIM) multilayer structures. The ISO was …
View article: Thermally Reconfigurable Meta-Optics
Thermally Reconfigurable Meta-Optics Open
Metasurfaces are two-dimensional nanostructures that allow unprecedented control of light through engineering the amplitude, phase, and polarization across meta-atom resonators. Adding tunability to metasurface components would boost their…
View article: Tunable plasmonic substrates with ultrahigh Q-factor resonances
Tunable plasmonic substrates with ultrahigh Q-factor resonances Open
Precisely tailored plasmonic substrates can provide a platform for a variety of enhanced plasmonic applications in sensing and imaging. Despite the significant advances made in plasmonics, most plasmonic devices suffer critically from intr…
View article: Patterned Plasmonic Surfaces—Theory, Fabrication, and Applications in Biosensing
Patterned Plasmonic Surfaces—Theory, Fabrication, and Applications in Biosensing Open
Low-profile patterned plasmonic surfaces are synergized with a broad class of silicon microstructures to greatly enhance near-field nanoscale imaging, sensing, and energy harvesting coupled with far-field free-space detection. This concept…
View article: Decorative Plasmonic Surfaces
Decorative Plasmonic Surfaces Open
Low-profile patterned plasmonic surfaces are synergized with a broad class of silicon microstructures to greatly enhance near-field nanoscale imaging, sensing, and energy harvesting coupled with far-field free-space detection. This concept…
View article: Surface Integral Formulation with Preconditioned, Multipole-Accelerated Iterative Method Applied for the Analysis of RCS of Single and Multi-Layer Dielectric Structures
Surface Integral Formulation with Preconditioned, Multipole-Accelerated Iterative Method Applied for the Analysis of RCS of Single and Multi-Layer Dielectric Structures Open
A preconditioned, multipole-accelerated, Krylov-subspace iterative algorithm for the electromagnetic scattering analysis of three dimensional (3D), arbitrary shaped dielectric structures composed of single and multi-layered dielectric mate…
View article: Apertureless Near-Field Scanning Probes Based on Graphene Plasmonics
Apertureless Near-Field Scanning Probes Based on Graphene Plasmonics Open
We present a novel approach in designing high-throughput high-resolution apertureless near-field scanning probes with enhanced nanofocusing based on graphene plasmonics. Extremely localized plasmons on graphene are mingled with nanofocusin…
View article: Accurate and Versatile High-Order Modeling of Electromagnetic Scattering on Plasmonic Nanostructures
Accurate and Versatile High-Order Modeling of Electromagnetic Scattering on Plasmonic Nanostructures Open
This paper presents high-order (HO) electromagnetic modeling of plasmonic nanostructures based on the Locally Corrected Nystrom (LCN) method. Advanced nanophotonic and nanoplasmonic structures involve electrically large electromagnetic str…
View article: Dynamic Behavior of RF MEMS Disk Resonators
Dynamic Behavior of RF MEMS Disk Resonators Open
Microelectromechanical systems (MEMS) resonators serve as frequency selective components in applications ranging from biology to communications. In this paper, the dynamic behavior of an RF MEMS disk resonator is formulated using an analyt…
View article: Numerical Modeling of MEMS Resonators
Numerical Modeling of MEMS Resonators Open
Microelectromechanical systems (MEMS) resonators serve as frequency selective components in applications ranging from biology to communications. In this paper, the dynamic behavior of an RF MEMS disk resonator is formulated using an analyt…
View article: Multistation observations of the azimuth, polarization, and frequency dependence of ELF/VLF waves generated by electrojet modulation
Multistation observations of the azimuth, polarization, and frequency dependence of ELF/VLF waves generated by electrojet modulation Open
Modulated ionospheric heating experiments are performed with the High Frequency Active Auroral Research Program facility in Gakona, Alaska, for the purpose of generating extremely low frequency (ELF) and very low frequency (VLF) waves. Obs…