Search Results - "Engheta, N"

Geometry-invariant resonant cavities by Liberal, I., Mahmoud, A. M., Engheta, N.

“…Resonant cavities are one of the basic building blocks in various disciplines of science and technology, with numerous applications ranging from abstract…”
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On the performance of an ENZ-based sensor using transmission line theory and effective medium approach by Pacheco-Peña, V, Beruete, M, Rodríguez-Ulibarri, P, Engheta, N

“…In this paper we perform an in-depth theoretical study of a sensing platform based on epsilon-near-zero (ENZ) metamaterials. The structure proposed for sensing…”
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An idea for thin subwavelength cavity resonators using metamaterials with negative permittivity and permeability by Engheta, N.

“…We present and analyze theoretically some ideas for thin one-dimensional (1D) cavity resonators in which a combination of a conventional dielectric material…”
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Negative effective permeability and left-handed materials at optical frequencies by Alù, A, Salandrino, A, Engheta, N

“…We present here the design of nano-inclusions made of properly arranged collections of plasmonic metallic nano-particles that may exhibit a resonant magnetic…”
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Pairing an epsilon-negative slab with a mu-negative slab: resonance, tunneling and transparency by Alu, A., Engheta, N.

“…Here, we analyze the transverse-magnetic (TM) wave interaction with a pair of slabs, one being an epsilon-negative (ENG) layer in which the real part of…”
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Dispersion synthesis with multi-ordered metatronic filters by Li, Y, Liberal, I, Engheta, N

“…We propose the synthesis of frequency dispersion of layered structures based on the design of multi-ordered optical filters using nanocircuit concepts…”
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Dipole-dipole interactions mediated by epsilon-and-mu-near-zero waveguide supercoupling [Invited] by Mahmoud, A. M., Liberal, I., Engheta, N.

“…We propose augmenting dipole-dipole interactions with the use of epsilon-and-mu-near-zero (EMNZ) supercoupling. In particular, we demonstrate via numerical…”
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Electronically controlled optical beam-steering by an active phased array of metallic nanoantennas by DeRose, C T, Kekatpure, R D, Trotter, D C, Starbuck, A, Wendt, J R, Yaacobi, A, Watts, M R, Chettiar, U, Engheta, N, Davids, P S

“…An optical phased array of nanoantenna fabricated in a CMOS compatible silicon photonics process is presented. The optical phased array is fed by low loss…”
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Guided modes in a waveguide filled with a pair of single-negative (SNG), double-negative (DNG), and/or double-positive (DPS) layers by Alu, A., Engheta, N.

“…Here we present the results of our theoretical analysis for guided modes in parallel-plate waveguides filled with pairs of parallel layers made of any two of…”
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Subwavelength, Compact, Resonant Patch Antennas Loaded With Metamaterials by Alu, A., Bilotti, F., Engheta, N., Vegni, L.

“…We analyze the matching and radiation properties of subwavelength resonant patch antennas filled with double-negative, double-positive, and/or single-negative…”
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Metamaterials: physics and engineering explorations / edited by Nader Engheta, Richard W. Ziolkowski by Engheta, N, Ziolkowski, Richard W

“…Modern metamaterials is relatively new, less than two years old and evolving rapidly. It has captured the interest of researchers because theoretically…”
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Mechanical 144 GHz beam steering with all-metallic epsilon-near-zero lens antenna by Pacheco-Peña, V., Torres, V., Orazbayev, B., Beruete, M., Navarro-Cía, M., Sorolla, M., Engheta, N.

“…An all-metallic steerable beam antenna composed of an ε-near-zero (ENZ) metamaterial lens is experimentally demonstrated at 144 GHz (λ0 = 2.083 mm). The ENZ…”
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On fractional calculus and fractional multipoles in electromagnetism by Engheta, N.

“…Using the concept and tools of fractional calculus, we introduce a definition for "fractional-order" multipoles of electric-charge densities, and we show that…”
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Enhanced Directivity From Subwavelength Infrared/Optical Nano-Antennas Loaded With Plasmonic Materials or Metamaterials by Alu, A., Engheta, N.

“…Here, we explore theoretically the concept of enhanced directivity from electrically small subwavelength radiators containing negative-parameter materials,…”
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Electric tweezers: negative dielectrophoretic multiple particle positioning by Edwards, B, Engheta, N

“…Electric tweezers are a touchless positioning apparatus that employs dielectrophoresis and electroorientation to arbitrarily position cell-sized particles. In…”
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Metamaterial special issue introduction by Ziolkowski, R.W., Engheta, N.

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Core-Shell Nanowire Optical Antennas Fed by Slab Waveguides by Jingjing Li, Engheta, N.

“…A method of realizing nanoantenna systems at optical frequencies is suggested wherein a plasmonic nanowire is placed near a slab waveguide operating near the…”
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High impedance metamaterial surfaces using Hilbert-curve inclusions by McVay, J., Engheta, N., Hoorfar, A.

“…A metamaterial surface, composed of a periodic arrangement of Hilbert Curve inclusions above a conducting ground plane, is analyzed numerically and is shown to…”
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Adaptive Polarization Contrast Techniques for Through-Wall Microwave Imaging Applications by Yemelyanov, K.M., Engheta, N., Hoorfar, A., McVay, J.A.

“…In this paper, we describe and utilize polarization contrast techniques of the adaptive polarization difference imaging algorithm and its transient…”
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Polarization-based non-staining cell detection by Zhang, M, Ihida-Stansbury, K, Van der Spiegel, J, Engheta, N

“…Polarization is an important characteristic of electromagnetic waves, which can not be detected by either the human visual system or traditional image sensors…”
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