Dual‐Polarized Broadband Laplace Differentiator via Quasi‐Bound States in the Continuum Empowered by Nonlocal Metasurfaces
Sign Up to like & getrecommendations! Published in 2025 at "Advanced Functional Materials"
DOI: 10.1002/adfm.202426095
Abstract: Directly performing optical analog computations and image processing in space, such as optical differential operations and image edge detection, is a burgeoning area. To avoid the bulkiness and low efficiency of traditional 4f filtering systems,… read more here.
Keywords: polarization; quasi bound; bound states; laplace differentiator ... See more keywords
All-Dielectric Active Terahertz Photonics Driven by Bound States in the Continuum.
Sign Up to like & getrecommendations! Published in 2019 at "Advanced materials"
DOI: 10.1002/adma.201901921
Abstract: The remarkable emergence of all-dielectric meta-photonics governed by the physics of high-index dielectric materials offers a low-loss platform for efficient manipulation and subwavelength control of electromagnetic waves from microwaves to visible frequencies. Dielectric metasurfaces can… read more here.
Keywords: states continuum; dielectric active; bound states; active terahertz ... See more keywords
Flexible Terahertz Metasurface Absorbers Empowered by Bound States in the Continuum
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DOI: 10.1002/adma.202406526
Abstract: Terahertz absorbers are crucial to the cutting‐edge techniques in the next‐generation wireless communications, imaging, sensing, and radar stealth, as they fundamentally determine the performance of detectors and cloaking capabilities. It has long been a pressing… read more here.
Keywords: states continuum; flexible terahertz; terahertz metasurface; metasurface absorbers ... See more keywords
Manipulating Light with Bound States in the Continuum: from Passive to Active Systems
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DOI: 10.1002/adom.202400296
Abstract: The manipulation of light has become the focus of various modern optical technologies. The emergence of bound states in the continuum (BICs) offers an alternative platform for controlling light, including the confinement and manipulation of… read more here.
Keywords: states continuum; active systems; manipulating light; light bound ... See more keywords
Efficient Second‐Harmonic Generation with Weak Polarization Sensitivity in Gallium Nitride Metasurfaces via Bound States in the Continuum
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DOI: 10.1002/adom.202400815
Abstract: Bound states in the continuum (BICs) are widely exploited in all‐dielectric metasurfaces to significantly enhance the Q‐factor and second harmonic generation (SHG). However, a higher SHG conversion efficiency is overshadowed by the narrow transparency window… read more here.
Keywords: states continuum; polarization; harmonic generation; bound states ... See more keywords
Skyrmion Quasi‐Bound States in the Continuum for 3D Light Trapping in Arbitrarily Large Volumes
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DOI: 10.1002/adom.202401643
Abstract: Real‐world resonances face surface‐scaling radiation leakage, hindering light confinement in optically large systems. Conventional bound states in continuum (BICs) challenge this by enabling states with theoretically infinite lifetimes in 2D periodic structures. However, when fabricated,… read more here.
Keywords: arbitrarily large; states continuum; light trapping; skyrmion quasi ... See more keywords
Excitation of Quasi‐Bound States in the Continuum With Focused Radially Polarized Beams
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DOI: 10.1002/adom.202501139
Abstract: Photonic bound states in the continuum (BICs) are nonradiative resonances embedded in the radiative spectrum of a system, resulting from the complete cancellation of all radiative channels. In absence of material losses, their infinite lifetime… read more here.
Keywords: states continuum; quasi bound; bound states; excitation quasi ... See more keywords
Topology‐Optimized Bound States in the Continuum with High‐Q Acoustic Field Enhancement
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DOI: 10.1002/advs.202414344
Abstract: Achieving high‐quality (high‐Q) acoustic resonances remains a critical goal in acoustic device design, given their exceptional sound manipulation capabilities. However, enhancing Q‐factors is often hindered by energy dissipation and material losses, except for leveraging bound… read more here.
Keywords: high acoustic; field; states continuum; topology ... See more keywords
Terahertz Broadband Bimodal Multiplexing Detection Based on Quasi‐Bound States in the Continuum and Guided‐Mode Resonance
Sign Up to like & getrecommendations! Published in 2025 at "Annalen der Physik"
DOI: 10.1002/andp.202500022
Abstract: Grating metasurfaces supporting guided‐mode resonance (GMR) can provide ultra‐sharp resonances for light‐matter solid interactions, facilitating their applications in various fields such as sensing, lasers, and imaging. Bound states in the continuum (BICs) are unique resonant… read more here.
Keywords: mode resonance; states continuum; guided mode; quasi bound ... See more keywords
Dark matter bound states via emission of scalar mediators
Sign Up to like & getrecommendations! Published in 2019 at "Journal of High Energy Physics"
DOI: 10.1007/jhep01(2019)070
Abstract: A bstractIf dark matter (DM) couples to a force carrier that is much lighter than itself, then it may form bound states in the early universe and inside haloes. While bound-state formation via vector emission… read more here.
Keywords: dark matter; emission; matter bound; scalar mediators ... See more keywords
Darkonia at colliders
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DOI: 10.1007/jhep04(2025)042
Abstract: Dark matter may form bound states in a dark sector with an attractive force between two dark matter particles. Searches for dark matter at colliders can differ dramatically from routine searches if bound states, dubbed… read more here.
Keywords: dark matter; energy; darkonia colliders; force ... See more keywords