Chiral bound states in the continuum

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. WebWe reveal that optical chirality at the nanoscale can be boosted dramatically by bound states in the continuum (BIC). We predict the enhancement of chiroptical signals from nanostructures supporting quasi-BICs in mid-IR with a record-high efficiency. © 2024 The Author (s) PDF Article More Like This

Phys. Rev. B 90, 035434 (2014) - Chiral bound states in the …

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. WebApr 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 … flying alien creatures https://boissonsdesiles.com

Bound States in the Continuum Underpin Near‐Lossless Maximum …

Web1 day ago · Recently, there has been increasing interest in bound states in the continuum (BIC) because of its high Q-factor. As a representative class of odd optical resonance modes, the reflection-type BIC has a peak of reflectance, which provides a potential possibility to simultaneously meet the two conditions of greatly enhancing the GH shift … WebFeb 17, 2024 · Quasi-bound states in the continuum (QBICs) are Fano resonant states with long optical lifetimes controlled by symmetry-breaking perturbations. While … WebMay 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. green licorice near me

Enhancing Circularly Polarized Emission by a Planar Chiral …

Category:Observation of intrinsic chiral bound states in the continuum

Tags:Chiral bound states in the continuum

Chiral bound states in the continuum

ResearchGate

WebApr 7, 2024 · The periodic coupling has several variations, such as lattice resonance, [17, 18] Fano resonance, [19, 20] and bound states in the continuum (BICs). [ 21 - 23 ] These effects have exhibited their strong capability in various light–matter interactions, including emission enhancement [ 24 - 27 ] and nonlinear enhancement [ 28 - 30 ] with high ... WebAug 28, 2024 · We demonstrate 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). Being uncoupled from one circular polarization of light and resonantly coupled to its counterpart, a m …

Chiral bound states in the continuum

Did you know?

WebThe realization of an efficient optical sensor based on a photonic crystal metasurface supporting bound states in the continuum is reported. Liquids with different refractive …

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.

WebApr 10, 2024 · The chiral bound states in continuum (BIC) with extreme intrinsic chirality was realized and observed for the first time, which was published in Nature with the title “Observation of intrinsic ... WebAug 24, 2024 · Here, we demonstrate a novel approach to construct superchiral field in achiral dielectric metasurfaces. Due to the quantum spin-hall effect, each symmetry-protected bound state in the continuum (BIC) exhibits the ability to support a superchiral field in vicinity of \Gamma point.

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 …

WebFeb 17, 2024 · Bound states in the continuum have shown potential to demonstrate narrow spectral resonances but often require asymmetric geometry and typically feature strong polarization dependence, complicating fabrication and limiting practical applications. ... Photonic spin-selective perfect absorptance on planar metasurfaces driven by chiral … greenlife064 gmail.comWeb2 days ago · Here, we suggest a design of chiral metasurface supporting bound state in the continuum (BIC) and demonstrate experimentally chiroptical responses with ultra … flying alien sphereWebResearchGate greenlid take out food containers canadaWebJan 18, 2024 · Intrinsic chirality is weak in natural materials, and recent theoretical proposals5–7 aimed to enlarge circular dichroism by resonant metasurfaces supporting … flying allegiant redditWebMar 7, 2024 · Bound states in the continuum (BICs) have been demonstrated to be associated with topological charge and vortex polarization singularities in momentum space. green lies and black heartsWebWe 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 … flying alien toyWebSep 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 … green lid for septic tank