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Hertzian plasmonic nanodimer as an efficient optical nanoantenna (with Nader Engheta), Departmental Papers (ESE) (2008)
Inspired by the geometry and shape of the classical radio-frequency radiator, the Hertzian dipole, here...
Effects of size and frequency dispersion in plasmonic cloaking (with Nader Engheta), Departmental Papers (ESE) (2008)
The plasmonic venue to realize invisibility and cloaking [A. Alů and N. Engheta, Phys. Rev....
Plasmonic and Metamaterial Cloaking: Physical Mechanisms and Potentials (with Nader Engheta), Departmental Papers (ESE) (2008)
Artificial materials, metamaterials and plasmonic media have recently received tremendous attention from the scientific communities,...
Dynamical theory of artificial optical magnetism produced by rings of plasmonic nanoparticles (with Nader Engheta), Departmental Papers (ESE) (2008)
We present a detailed analytical theory for the plasmonic nanoring configuration first proposed by Alů...
Infrared and optical invisibility cloak with plasmonic implants based on scattering cancellation (with Mario G. Silveirinha and Nader Engheta), Departmental Papers (ESE) (2008)
In recent works, we have suggested that plasmonic covers may provide an interesting cloaking effect,...
Input Impedance, Nanocircuit Loading, and Radiation Tuning of Optical Nanoantennas (with Nader Engheta), Departmental Papers (ESE) (2008)
Here we explore the radiation features of optical nanoantennas, analyzing the concepts of optical input...
Three-Dimensional Plasmonic Nanoswitch: Extreme Variation of Scattering Properties upon Rotation (with Nader Engheta), Departmental Papers (ESE) (2008)
The anomalous interaction of light with plasmonic materials has fascinated scientists and non-scientists for centuries....
Dielectric sensing in ε-near-zero narrow waveguide channels (with Nader Engheta), Departmental Papers (ESE) (2008)
We exploit here the dramatic field enhancement caused by energy squeezing and tunneling i.e., "supercoupling"...
Light squeezing through arbitrarily shaped plasmonic channels and sharp bends (with Nader Engheta), Departmental Papers (ESE) (2008)
We propose a mechanism for optical energy squeezing and anomalous light transmission through arbitrarily-shaped plasmonic...
Transmission-line analysis of ε-near-zero–filled narrow channels (with Mário G. Silveirinha and Nader Engheta), Departmental Papers (ESE) (2008)
Following our recent interest in metamaterial-based devices supporting resonant tunneling, energy squeezing, and supercoupling through...
Robustness in Design and Background Variations in Metamaterial/Plasmonic Cloaking (with Nader Engheta), Departmental Papers (ESE) (2008)
Here we discuss our recent numerical results concerning the robustness of the scattering cancellation effect...
Design of nanofilters for optical nanocircuits (with Michael E. Young and Nader Engheta), Departmental Papers (ESE) (2008)
We theoretically and numerically study the design of optical "lumped" nanofiltering devices in the framework...
Multifrequency Optical Invisibility Cloak with Layered Plasmonic Shells (with Nader Engheta), Departmental Papers (ESE) (2008)
Here, we theoretically suggest the possibility of employing a multilayered plasmonic shell as a cloak...
Nanoinsulators and nanoconnectors for optical nanocircuits (with Mário G. Silveirinha, Jingjing Li, and Nader Engheta), Departmental Papers (ESE) (2008)
Following our recent idea of using plasmonic and nonplasmonic nanoparticles as nanoinductors and nanocapacitors in...
Experimental Verification of Epsilon-Near-Zero Metamaterial Coupling and Energy Squeezing Using a Microwave Waveguide (with Brian Edwards, Michael E. Young, Mário Silveirinha, and Nader Engheta), Departmental Papers (ESE) (2008)
Utilizing a microwave setup, we experimentally verify our recently developed theory of energy squeezing and...
Anomalies of Sub-Diffractive Guided-Wave Propagation along Metamaterial Nanocomponents (with Nader Engheta), Departmental Papers (ESE) (2007)
We describe our recent results on some of the anomalous propagation properties of subdiffractive guided...
Enhanced Directivity From Subwavelength Infrared/Optical Nano-Antennas Loaded With Plasmonic Materials or Metamaterials (with Nader Engheta), Departmental Papers (ESE) (2007)
Here, we explore theoretically the concept of enhanced directivity from electrically small subwavelength radiators containing...
Coupling of optical lumped nanocircuit elements and effects of substrates (with Alessandro Salandrino and Nader Engheta), Departmental Papers (ESE) (2007)
We present here an analytical quasi-static circuit model for the coupling among small nanoparticles excited...
Optical 'Shorting Wires' (with Nader Engheta), Departmental Papers (ESE) (2007)
Connecting lumped circuit elements in a conventional circuit is usually accomplished by conducting wires that...
Higher-Order Resonant Power Flow Inside and Around Superdirective Plasmonic Nanoparticles (with Nader Engheta), Departmental Papers (ESE) (2007)
The optical power flow around a plasmonic particle has been a topic of research interest...
Cloaking and transparency for collections of particles with metamaterial and plasmonic covers (with Nader Engheta), Departmental Papers (ESE) (2007)
Following our recently developed idea of employing plasmonic covers to cloak an isolated conducting, plasmonic...
Theory and Simulations of a Conformal Omni-Directional Sub-Wavelength Metamaterial Leaky-Wave Antenna (with Filiberto Bilotti, Nader Engheta, and Lucio Vegni), Departmental Papers (ESE) (2007)
The detailed theory of a single subwavelength conformal radiator that exploits the resonant properties of...
Epsilon-Near-Zero (ENZ) Metamaterials and Electromagnetic Sources: Tailoring the Radiation Phase Pattern (with Mário G. Silveirinha, Alessandro Salandrino, and Nader Engheta), Departmental Papers (ESE) (2007)
In this work, we investigate the response of epsilon-near-zero (ENZ) metamaterials and plasmonic materials to...
Plasmonic Materials in Transparency and Cloaking Problems: Mechanism, Robustness and Physical Insights (with Nader Engheta), Departmental Papers (ESE) (2007)
The possibility of making a given object transparent to the impinging radiation, or cloaking it,...
Parallel-plate metamaterials for cloaking structures (with Mario G. Silveirinha and Nader Engheta), Departmental Papers (ESE) (2007)
In this work, we assess theoretically the physical response of metamaterial composite structures that emulate...
Subwavelength Planar Leaky-Wave Components with Metamaterial Bilayers (with Filiberto Bilotti, Nader Engheta, and Lucio Vegni), Departmental Papers (ESE) (2007)
The potential use of metamaterial planar bilayers for synthesizing compact subwavelength leaky-wave radiators in the...
Single-Negative, Double-Negative, and Low-index Metamaterials and their Electromagnetic Applications (with Nader Engheta, A. Erentok, and Richard W. Ziolkowski), Departmental Papers (ESE) (2007)
Metamaterials that are engineered media characterized by electromagnetic constitutive parameters with anomalous values may show...
Subwavelength, Compact, Resonant Patch Antennas Loaded With Metamaterials (with Filiberto Bilotti, Nader Engheta, and Lucio Vegni), Departmental Papers (ESE) (2007)
We analyze the matching and radiation properties of subwavelength resonant patch antennas filled with double-negative,...
Three-dimensional nanotransmission lines at optical frequencies: A recipe for broadband negative-refraction optical metamaterials (with Nader Engheta), Departmental Papers (ESE) (2007)
We apply the optical nanocircuit concepts to design and analyze in detail a three-dimensional (3D)...
Theory of linear chains of metamaterial/plasmonic particles as subdiffraction optical nanotransmission lines (with Nader Engheta), Departmental Papers (ESE) (2006)
Here we discuss the theory and analyze in detail the guidance properties of linear arrays...
Finite-difference time-domain analysis of the tunneling and growing exponential in a pair of ε-negative and µ-negative slabs (with Nader Engheta and Richard W. Ziolkowski), Departmental Papers (ESE) (2006)
Pairing together planar material slabs with opposite signs for the real parts of their constitutive...
Metamaterial Covers Over a Small Aperture (with Filiberto Bilotti, Nader Engheta, and Lucio Vegni), Departmental Papers (ESE) (2006)
Recently, there has been an increased interest in the problem of wave transmission through sub-wavelength...
Optical Nanotransmission Lines: Synthesis of Planar Left-Handed Metamaterials in the Infrared and Visible Regimes (with Nader Engheta), Departmental Papers (ESE) (2006)
Following our recent theoretical development of the concept of nano-inductors, nano-capacitors and nano-resistors at optical...
Negative effective permeability and left-handed materials at optical frequencies (with Alessandro Salandrino and Nader Engheta), Departmental Papers (ESE) (2006)
We present here the design of nano-inclusions made of properly arranged collections of plasmonic metallic...
Physical Insight Into the “Growing” Evanescent Fields of Double-Negative Metamaterial Lenses Using Their Circuit Equivalence (with Nader Engheta), Departmental Papers (ESE) (2006)
Pendry in his paper, “Negative refraction makes a perfect lens” (Phys. Rev. Lett., vol. 85,...
Evanescent Growth and Tunneling Through Stacks of Frequency-Selective Surfaces (with Nader Engheta), Departmental Papers (ESE) (2005)
The presence of wave tunneling and the “growing evanescent envelope” for field distributions in suitably...
Circuit Elements at Optical Frequencies: Nanoinductors, Nanocapacitors, and Nanoresistors (with Nader Engheta and Alessandro Salandrino), Departmental Papers (ESE) (2005)
We present the concept of circuit nanoelements in the optical domain using plasmonic and nonplasmonic...
Sub-wavelength Focusing and Negative Refraction along Positive-Index and Negative-Index Plasmonic Nano-Transmission Lines and Nano-Layers (with Nader Engheta), Departmental Papers (ESE) (2005)
Following our recent works on the concept of plasmonic nano-inductors and nano-capacitors and related complex...
Achieving transparency with plasmonic and metamaterial coatings (with Nader Engheta), Departmental Papers (ESE) (2005)
The possibility of using plasmonic and metamaterial covers to drastically reduce the total scattering cross...
Polarizabilities and effective parameters for collections of spherical nanoparticles formed by pairs of concentric double-negative, single-negative, and/or double-positive metamaterial layers (with Nader Engheta), Departmental Papers (ESE) (2005)
Unusual scattering effects from tiny spherical particles may be obtained when concentric shells are designed...
Metamaterial monolayers and bilayers for enhanced transmission through a sub-wavelength aperture in a flat perfectly conducting screen (with Filiberto Bilotti, Nader Engheta, and Lucio Vegni), Departmental Papers (ESE) (2005)
In this paper, we will provide an overview of our theoretical work on the role...
Anomolous Properties of Scattering from Cavities Partially Loaded With Double-Negative or Single-Negative Materials (with Filiberto Bilotti, Nader Engheta, and Lucio Vegni), Departmental Papers (ESE) (2005)
In this paper, the theoretical justification and the numerical verification of the anomalous scattering from...
Peculiar Radar Cross-Section Properties of Double-Negative and Single-Negative Metamaterials (with Nader Engheta), Departmental Papers (ESE) (2004)
Here, we give an overview of some of the results of our analysis of...
Guided Modes in a Waveguide Filled With a Pair of Single-Negative (SNG), Double-Negative (DNG), and/or Double-Positive (DPS) Layers (with Nader Engheta), Departmental Papers (ESE) (2004)
Here we present the results of our theoretical analysis for guided modes in parallel-plate waveguides...
Pairing an Epsilon-Negative Slab With a Mu-Negative Slab: Resonance, Tunneling and Transparency (with Nader Engheta), Departmental Papers (ESE) (2003)
Here, we analyze the transverse-magnetic (TM) wave interaction with a pair of slabs, one being...
Mode Excitation by a Line Source in a Parallel-Plate Waveguide Filled with a Pair of Parallel Double-Negative and Double-Positive Slabs (with Nader Engheta), Departmental Papers (ESE) (2003)
In this paper, we investigate theoretically the excitation of modes by a line source, as...
Mono-Modal Waveguides Filled with a Pair of Parallel Epsilon-Negative (ENG) and Mu-Negative (MNG) Metamaterial Layers (with Nader Engheta), Departmental Papers (ESE) (2003)
Here we analyze guided wave propagation in a parallel-plate waveguide filled with a pair of...
Radiation from a Traveling-Wave Current Sheet at the Interface between a Conventional Material and a Metamaterial with Negative Permittivity and Permeability (with Nader Engheta), Departmental Papers (ESE) (2002)
In this note, we present the analysis for the radiation from a traveling-wave infinitely-extent sheet...
Anomalous Mode Coupling in Guided-Wave Structures Containing Metamaterials with Negative Permittivity and Permeability (with Nader Engheta), Departmental Papers (ESE) (2002)
The peculiar characteristics of the mode coupling between standard dielectric waveguides and waveguides formed...