Chiral bound states in the continuum
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). WebResearchGate
Chiral bound states in the continuum
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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 … 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 …
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. 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.
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 ... WebSep 8, 2024 · In a new paper published in Science, researchers from Harbin Institute of Technology and Australian National University employ the physics of chiral quasi bound …
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 …
WebThe concept of optical bound states in the continuum (BICs) currently drives the field of dielectric resonant nanophotonics, providing an important physical mechanism for … cioxhealth healthsourceWebJan 29, 2024 · Chiral Bound States in the Continuum in Plasmonic Metasurfaces 1 Introduction. Photonic bound states in the continuum (BICs) describe exotic localized … dial on rotary phoneWebOur 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 exceeding ... Recently, … dial on the watchWebJul 23, 2014 · We present a distinct mechanism for the formation of bound states in the continuum (BICs). In chiral quantum systems, there appear zero-energy states in … dial options asteriskWebThe realization of an efficient optical sensor based on a photonic crystal metasurface supporting bound states in the continuum is reported. Liquids with different refractive indices, ranging from 1.4000 to 1.4480, are infiltrated in a microfluidic chamber bonded to the sensing dielectric metasurface. A bulk liquid sensitivity of 178 nm/RIU is … dia lottery communityWebJul 19, 2016 · Bound states in the continuum (BICs) are waves that remain localized even though they coexist with a continuous spectrum of radiating waves that can carry energy away. Their very existence defies... dial on water heaterWebApr 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 … dialoog church sound