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Published in 2020 at "Plasmonics"
DOI: 10.1007/s11468-020-01233-4
Abstract: We propose and numerically demonstrate a low-loss deep-subwavelength plasmonic metasurface that exhibits strong optical transmission at near-infrared wavelengths and concomitantly high electrical conductivity. The efficient realization of these two contrasting functionalities without a severe trade-off…
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Keywords:
transparent conducting;
transmission;
design transparent;
conducting plasmonic ... See more keywords
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Published in 2020 at "Nature Communications"
DOI: 10.1038/s41467-020-15762-3
Abstract: Thermal detectors are a cornerstone of infrared and terahertz technology due to their broad spectral range. These detectors call for efficient absorbers with a broad spectral response and minimal thermal mass. A common approach is…
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Keywords:
impedance;
ultrathin gold;
broad spectral;
gold ... See more keywords
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Published in 2019 at "Journal of Applied Physics"
DOI: 10.1063/1.5087027
Abstract: Metasurfaces can manipulate optical wavefronts by locally shifting the phase of incident light with metallic or dielectric optical nanoresonators that are generally arranged on a lattice with subwavelength spacing. However, such conventional metasurfaces inevitably generate…
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Keywords:
phase;
wavefront engineering;
phase profile;
impedance matched ... See more keywords
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Published in 2019 at "IEEE Transactions on Antennas and Propagation"
DOI: 10.1109/tap.2019.2905891
Abstract: Implantable antennas are integral but challenging components of wireless biomedical implants. They are very sensitive to variations in host tissue environments and their performance is affected by coupling with circuitry and other components. To overcome…
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Keywords:
ultrawideband antenna;
system;
stable impedance;
impedance matched ... See more keywords
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Published in 2022 at "Optics express"
DOI: 10.1364/oe.460924
Abstract: In this paper, we study TEM-wave propagation inside a hollow coaxial waveguide filled with an inhomogeneous metamaterial composite, with a graded transition between a right-handed material (RHM) and an impedance-matched left-handed material (LHM). The graded…
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Keywords:
wave propagation;
tem wave;
rhm lhm;
impedance matched ... See more keywords
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Published in 2018 at "Photonics"
DOI: 10.3390/photonics5020007
Abstract: Artificial optical metamaterial with a zero index of refraction holds promise for many diverse phenomena and applications, which can be achieved with vacuum (or related) surface impedance and materials in the optical domain. Here, we…
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Keywords:
matched double;
double zero;
impedance matched;
metal oxide ... See more keywords