Chiral bound states in the continuum
WebPhotons with spin angular momentum possess intrinsic chirality, which underpins many phenomena including nonlinear optics 1, quantum optics 2, topological photonics 3 and chiroptics 4.Intrinsic chirality is weak in natural materials, and recent theoretical proposals 5-7 aimed to enlarge circular dichroism by resonant metasurfaces supporting bound … WebIntrinsic chirality is weak in natural materials, and recent theoretical proposals 5-7 aimed to enlarge circular dichroism by resonant metasurfaces supporting bound states in the continuum that enhance substantially chiral light-matter interactions.
Chiral bound states in the continuum
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WebJan 18, 2024 · Intrinsic chirality is weak in natural materials, and recent theoretical proposals5–7 aimed to enlarge circular dichroism by resonant metasurfaces supporting … WebFeb 15, 2024 · In this paper, we numerically demonstrate a dual-wavelength chiral metasurface with the chirality only existing at two resonant wavelengths, making use of the excitation of two quasi-bound states in the continuum (quasi-BICs).
WebSep 13, 2024 · Our result marks the first observation of intrinsic chiral bound states in the continuum with near-unity chiral dichroism of 0.93 and record-high quality factor … WebJun 9, 2024 · Quasi-bound states in the continuum (q-BICs) are resonant states of suitably tailored nanostructures with long optical lifetimes controlled by symmetry-breaking perturbations. While in planarized ultrathin devices the resulting Fano resonance is limited to linear polarizations, we show here that chiral perturbations extend q-BIC concepts to …
WebJun 30, 2024 · The authors employ the special type of high-quality-factor resonances—bound states in the continuum (BICs)—that are manifested in physical systems as quasi-BICs, and allow engineering the coupling of light with resonant metasurfaces to achieve maximum chirality. WebSep 9, 2024 · Bound states in the continuum (BICs) emerge throughout physics as leaky/resonant modes that remain, however, highly localized. They have attracted much attention in optics and photonics, and… 35 PDF Spin‐Selective Second‐Harmonic Vortex Beam Generation with Babinet‐Inverted Plasmonic Metasurfaces Yang Chen, Xiaodong …
WebSep 8, 2024 · We used the physics of chiral quasi-bound states in the continuum to demonstrate the efficient and controllable emission of circularly polarized light from resonant metasurfaces.
WebApr 10, 2024 · It is demonstrated that rotationally symmetric chiral metasurfaces can support sharp resonances with the maximum optical chirality determined by precise shaping of bound states in the continuum (BICs), and a realization of such chiral BIC metAsurfaces based on pairs of dielectric bars is proposed. Expand. 62. PDF. Save. how to take flats astrophotographyWebWe reveal that optical chirality at the nanoscale can be boosted dramatically by bound states in the continuum (BIC). ... A. Tittl, H. Altug, and Y. Kivshar, "Enhanced Circular … how to take float as a inputWebWe reveal that optical chirality at the nanoscale can be boosted dramatically by bound states in the continuum (BIC). We predict the enhancement of chiroptical Enhanced … ready rigsWebJun 30, 2024 · The authors employ the special type of high-quality-factor resonances—bound states in the continuum (BICs)—that are manifested in physical … how to take fladrafinilWebJan 18, 2024 · Our result marks, to our knowledge, the first observation of intrinsic chiral bound states in the continuum with near-unity circular dichroism of 0.93 and a high quality factor exceeding 2,663... how to take floventWebApr 7, 2024 · Photonic spin-selective perfect absorptance on planar metasurfaces driven by chiral quasi-bound states in the continuum. Hongju Li, Hongmiao Zhou, +4 authors F. Wu; Physics. Nanoscale. 2024; ... The bound state in the continuum (BIC) is a unique nonradiating eigenstate that possesses rich physics and has attracted intensive attention … ready roast melton southWebMay 9, 2014 · In chiral quantum systems there appear zero-energy states in which the wave function has finite amplitude only in one of the subsystems defined by the chiral symmetry. When the system is coupled to leads with a continuum energy band, part of these states remain bound. how to take fluimucil 600mg tablet