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   Articles with "quasi bic" as a keyword



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Ultrasensitive Terahertz Biodetection Enabled by Quasi-BIC-Based Metasensors.

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recommendations! Published in 2023 at "Small"

DOI: 10.1002/smll.202301165

Abstract: Advanced sensing devices, highly sensitive, and reliable in detecting ultralow concentrations of circulating biomarkers, are extremely desirable and hold great promise for early diagnostics and real-time progression monitoring of diseases. Nowadays, the most commonly used… read more here.

Keywords: enabled quasi; terahertz biodetection; quasi bic; ultrasensitive terahertz ... See more keywords
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Free switch between bound states in the continuum (BIC) and quasi-BIC supported by graphene-metal terahertz metasurfaces

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recommendations! Published in 2021 at "Carbon"

DOI: 10.1016/j.carbon.2021.06.037

Abstract: Abstract An important topic of modern nanophotonics focuses on the bound states in the continuum (BIC) that the non-radiative localized waves lie within the radiative continuous spectrum, which has been introduced into metasurfaces to construct… read more here.

Keywords: metal; graphene metal; bic; quasi bic ... See more keywords
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Nanoparticle Trapping in a Quasi-BIC System

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recommendations! Published in 2021 at "ACS Photonics"

DOI: 10.1021/acsphotonics.0c01941

Abstract: Plasmonic nanotweezers employing metallic nanoantennas provide a powerful tool for trapping nanoscale particles, but the strong heating effect resulting from light absorption limits widespread applications. Here, we propose an alldielectric nanotweezer harnessing quasi-bound states in… read more here.

Keywords: bic system; system; quasi bic; nanoparticle trapping ... See more keywords
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Quasi-BIC Mode Lasing in a Quadrumer Plasmonic Lattice

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recommendations! Published in 2022 at "ACS Photonics"

DOI: 10.1021/acsphotonics.1c01416

Abstract: Plasmonic lattices of metal nanoparticles have emerged as an effective platform for strong light–matter coupling, lasing, and Bose–Einstein condensation. However, the full potential of complex unit cell structures has not been exploited. On the other… read more here.

Keywords: bic mode; mode lasing; quadrumer plasmonic; quasi bic ... See more keywords
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The impact of light polarization and the nature of modes in the formation of quasi-bound states in the continuum at near-normal incidence

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recommendations! Published in 2023 at "Journal of Physics D: Applied Physics"

DOI: 10.1088/1361-6463/acd8cb

Abstract: Bound states in the continuum (BIC) is a peculiar resonant mode with an infinite radiative lifetime and quality factor (Q-factor) embedded within the radiation continuum, which find applications in sensing, lasing, and quantum photonics. While… read more here.

Keywords: bound states; states continuum; quasi; near normal ... See more keywords
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Tuning symmetry-protected quasi bound state in the continuum using terahertz meta-atoms of rotational and reflectional symmetry.

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recommendations! Published in 2022 at "Optics express"

DOI: 10.1364/oe.454739

Abstract: Conventionally, a symmetry-protected quasi bound state of the continuum (BIC) becomes achievable by breaking the C2 symmetry of meta-atoms. Our work exhibits a novel approach to achieving dual band quasi-BIC by breaking the C2v symmetry… read more here.

Keywords: symmetry; bic thz; quasi bic;
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High-Q filtering and dynamic modulation in all-dielectric metasurfaces induced by quasi-BIC.

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recommendations! Published in 2022 at "Optics express"

DOI: 10.1364/oe.457383

Abstract: The all-dielectric metasurfaces can significantly reduce the volume of optical components while having low loss and high performance, which has become a research hotspot in recent years. However, due to the complexity of metasurface geometric… read more here.

Keywords: dielectric metasurfaces; high filtering; modulation dielectric; quasi bic ... See more keywords
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Metasurface supporting quasi-BIC for optical trapping and Raman-spectroscopy of biological nanoparticles.

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recommendations! Published in 2023 at "Optics express"

DOI: 10.1364/oe.473064

Abstract: Optical trapping combined with Raman spectroscopy have opened new possibilities for analyzing biological nanoparticles. Conventional optical tweezers have proven successful for trapping of a single or a few particles. However, the method is slow and… read more here.

Keywords: spectroscopy; optical trapping; biological nanoparticles; quasi bic ... See more keywords
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Investigations on the optical forces from three mainstream optical resonances in all-dielectric nanostructure arrays

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recommendations! Published in 2023 at "Beilstein Journal of Nanotechnology"

DOI: 10.3762/bjnano.14.53

Abstract: Light can exert radiation pressure on any object it encounters, and the resulting optical force can be used to manipulate particles at the micro- or nanoscale. In this work, we present a detailed comparison through… read more here.

Keywords: quasi bic; dielectric nanostructure; optical resonances; optical forces ... See more keywords