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   Articles with "guided mode" as a keyword



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Guided‐Mode Resonances in All‐Dielectric Terahertz Metasurfaces

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recommendations! Published in 2019 at "Advanced Optical Materials"

DOI: 10.1002/adom.201900959

Abstract: S.H., P.P., Y.K.S., and R.S. acknowledge Singapore Ministry of Education (MOE), Grants MOE2016-T3-1-006, MOE2017-T2-1-110, and RG191/17. M.V.R. and Y.S.K. acknowledge support by the Ministry of Education and Science of the Russian Federation (3.1500.2017/4.6) and the… read more here.

Keywords: mode resonances; dielectric terahertz; terahertz metasurfaces; resonances dielectric ... See more keywords
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Numerical analysis of a dual-wave band guided-mode resonance filter with embedded bilayer asymmetric metallic gratings

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recommendations! Published in 2021 at "Current Applied Physics"

DOI: 10.1016/j.cap.2021.04.006

Abstract: Abstract In this paper, a novel guided-mode resonances (GMRs) based embedded dual-wavelength filter, which had the bilayer gratings located at the two sides of dielectric substrate and arranged at asymmetric position, was investigated and studied… read more here.

Keywords: guided mode; filter; band; metallic gratings ... See more keywords
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Guided mode resonance in terahertz compound metamaterial waveguides

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recommendations! Published in 2018 at "Optik"

DOI: 10.1016/j.ijleo.2018.08.001

Abstract: Abstract Guided mode resonances (GMR) in a planar compound metamaterial (MM) consisting of two square closed ring resonators were numerically calculated and experimentally demonstrated. The strength and bandwidth of the GMR can be controlled by… read more here.

Keywords: resonance; mode resonance; compound metamaterial; guided mode ... See more keywords
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Enhanced sensing ability in a single-layer guided-mode resonant optical biosensor with deep grating

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recommendations! Published in 2019 at "Optics Communications"

DOI: 10.1016/j.optcom.2019.07.047

Abstract: Abstract A single-layer guided-mode resonance (SGMR) structure as a refractive index sensor is proposed and experimentally demonstrated with enhanced sensing ability. The sensitivity enhancement is discussed based on the distribution of electric fields. It is… read more here.

Keywords: enhanced sensing; layer guided; sensing ability; guided mode ... See more keywords
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Multiband guided-mode resonance filter in bilayer asymmetric metallic gratings

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recommendations! Published in 2018 at "Optics and Laser Technology"

DOI: 10.1016/j.optlastec.2018.01.017

Abstract: Abstract In this paper, a guided-mode resonances (GMRs) based multiband filter in bilayer asymmetric metallic gratings is presented. Four sharp dips are generated in the frequency range of 1.4–2.0 THz, which are induced by the split… read more here.

Keywords: guided mode; asymmetric metallic; metallic gratings; bilayer asymmetric ... See more keywords
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Polarization-Independent, Narrowband, Near-IR Spectral Filters via Guided Mode Resonances in Ultrathin a-Si Nanopillar Arrays

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recommendations! Published in 2019 at "ACS Photonics"

DOI: 10.1021/acsphotonics.8b01253

Abstract: We report the optical properties obtained through experiments, simulation, and theory of ultrathin ( read more here.

Keywords: nanopillar arrays; guided mode; polarization independent; narrowband ... See more keywords
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Electro-optical Amplitude and Phase Modulators Based on Tunable Guided-Mode Resonance Effect

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recommendations! Published in 2019 at "ACS Photonics"

DOI: 10.1021/acsphotonics.9b00950

Abstract: Here, electrically tunable amplitude and phase modulators are designed by the hybridization of indium tin oxide (ITO) into a guided-mode resonance mirror (so-called GMRM) which consists of a high-index silicon (Si) nanograting placed on top… read more here.

Keywords: mode resonance; phase modulators; amplitude phase; guided mode ... See more keywords
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Portable organic gas detection sensor based on the effect of guided-mode resonance

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recommendations! Published in 2017 at "AIP Advances"

DOI: 10.1063/1.4974874

Abstract: A novel organic gas detection sensor based on the effect of guided-mode resonance is proposed in this paper. The sensor is designed to operate in the visible light band. It contains four main sections: a… read more here.

Keywords: gas; organic gas; guided mode; detection sensor ... See more keywords
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Enhanced light trapping in Ge-on-Si-on-insulator photodetector by guided mode resonance effect

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recommendations! Published in 2018 at "Journal of Applied Physics"

DOI: 10.1063/1.5031453

Abstract: We propose a thin-film Ge-on-Si-on-insulator (Ge-on-SOI) photodetector with enhanced performance by exploiting induced guided mode resonance (GMR) employing Ge/SiO2 grating on Si-on-insulator (SOI). Numerically calculated results and theoretical analysis demonstrate that normal-incidence light can be… read more here.

Keywords: enhanced light; photodetector; insulator; guided mode ... See more keywords
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Multiple-band enhanced light absorption of monolayer graphene with critical coupling to guided mode resonance

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recommendations! Published in 2018 at "AIP Advances"

DOI: 10.1063/1.5048973

Abstract: We investigate subwavelength grating-coupled distributed Bragg reflector (DBR) in order to achieve total absorption at preselected wavelengths in a graphene monolayer. Multispectral and near-unity absorption (approximately 99.44% of the incident light at normal incidence) can… read more here.

Keywords: absorption; critical coupling; graphene; guided mode ... See more keywords
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High-Q guided-mode resonance of a crossed grating with near-flat dispersion

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recommendations! Published in 2022 at "Applied Physics Letters"

DOI: 10.1063/5.0138666

Abstract: Guided-mode resonances in diffraction gratings are manifested as peaks (dips) in reflection (transmission) spectra. Resonances with smaller line widths, i.e., with higher Q-factors, ensure stronger light–matter interactions and are beneficial for field-dependent physical processes. However,… read more here.

Keywords: high guided; flat dispersion; dispersion; physics ... See more keywords