Optical bound states in the continuum

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August undefined, 2024

WebApr 12, 2024 · Cavity radiative losses can be suppressed strongly in the regime of optical bound states in the continuum; however, a finite size of the resonator limits the performance of bound states in the ... WebApr 25, 2024 · Bound states in the continuums (BICs) is fundamentally a quantum mechanical process that produces a unique state of light and is considered as a resonant mode of infinite quality factor ( Q) and lifetime [ 1, 2 ]. The possibility of BICs was first time mentioned in 1929 by von Neumann Wigner [ 3 ].

Refractive index sensing with optical bound states in the continuum

WebOptical bound states in the continuum (BIC) are topological singularities of the scattering matrix, known for their unique light-trapping capability and enhanced light–matter … WebWe demonstrate all robust bound states in the continuum in photonic crystal slabs are vortex centers in the polarization directions of far-field radiation. They are robust because … chip ancel

Topological Nature of Optical Bound States in the …

WebJul 5, 2024 · We have investigated theoretically the reflectivity, quality factor, and eigenfrequency for a single slab with zero refractive index. We demonstrate that optical bound states in the continuum can be achieved by the various zero-refractive-index slabs made of epsilon-near-zero, impedance-machted zero-index, or mu-near-zero materials. WebApr 11, 2024 · On-chip light sources are an essential component of scalable photonic integrated circuits (PICs), and coupling between light sources and waveguides has attracted a great deal of attention. Photonic waveguides based on bound states in the continuum (BICs) allow optical confinement in a low-refractive-index waveguide on a high-refractive … http://ab-initio.mit.edu/~chsu/optical_bic/ chip an animal

Bound state in the continuum in topological inductor–capacitor circuit …

Topological Nature of Optical Bound States in the Continuum

WebOct 17, 2024 · Being motivated by recent achievements in the rapidly developing fields of optical bound states in the continuum (BICs) and excitons in monolayers of transition metal dichalcogenides, we analyze strong coupling between BICs in Ta2O5 periodic photonic structures and excitons in WSe2 monolayers. WebJan 1, 2024 · S. Krasikov, Y. Kivshar. Physics. Light, science & applications. 2024. Bound states in the continuum are realized in many optical systems as “dark states”, and their presence can be detected in the regime of leaky modes via resonances in far-fields. Here the authors…. 1. PDF. grant county new mexico newsWebThe first singly-degenerate mode 1 is a symmetry-protected bound state in the continuum (BIC). The inferior degenerate band (modes 2 and 3) instead shows avoided crossing resonances at Γ splitting, and is associated to a resonance-trapped BIC. The inset shows the transmitted spectrum at θ = 0°. grant county new mexico tax assessor

"WebOct 27, 2024 · Stemming from bound states in the continuum (BICs), momentum-space polarization vortices observed in photonic structures provide an attractive approach to generating optical vortex (OV) beams. " - Optical bound states in the continuum

Optical bound states in the continuum

WebOptical bound states in the continuum (BIC) are localized states with energy lying above the light line and having infinite lifetime. Any losses taking place in real systems result in … WebApr 12, 2024 · Optical bound states in the continuum (BICs) have enabled suppression of radiation loss in various photonic structures. However, their quality ( ) factors can be limited by the intrinsic absorption loss, if present. We propose a type of BICs in which both the radiation and absorption losses are suppressed. The underlying mechanism is based on ...

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WebDec 18, 2014 · Optical bound states in the continuum (BICs) have recently been realized in photonic crystal slabs, where the disappearance of out-of-plane radiation turns leaky resonances into guided modes with infinite lifetimes. We show that such BICs are vortex … APS is a member of Crossref, a multi-publisher initiative to combat plagiarism … link.aps.org WebApr 12, 2024 · Recently, optical bound states in continuum (BICs) incorporated with optical gain have been reported to exhibit lasing. Here, it is shown that each of the four BICs …

WebApr 7, 2024 · Bound states in the continuum (BICs) can be discovered in many physical systems, for example, electromagnetic, acoustic, water, and elastic waves [1,2,3,4]. Many … WebOptical bound states in the continuum (BIC) are topological singularities of the scattering matrix, known for their unique light-trapping capability and enhanced light–matter interaction. We show that BIC modes enable the generation of enhanced and tunable optical forces and torques.

WebDec 9, 2024 · Polarization singularities and topological vortices in photonic crystal slabs centered at bound states in the continuum (BICs) can be attributed to zero amplitude of …

WebMar 15, 2014 · Abstract. This Letter shows that bound states in the continuum (BIC), which are normalizable modes with energy embedded in the continuous spectrum of scattered …

WebJun 29, 2024 · Bound states in the continuum (BICs) have received increasing attention from researchers because of their potential applications in photonic crystal fibers, as well as in lasing, sensing, and surface acoustic wave devices. BICs have been experimentally observed in acoustic resonators, photonic crystal slabs, and optical waveguides. grant county new mexico sheriff\u0027s departmentWebMay 10, 2024 · Optical Bound States in the Continuum with Nanowire Geometric Superlattices Seokhyoung Kim, Kyoung-Ho Kim, and James F. Cahoon Phys. Rev. Lett. … chip and a chairWebAbstract We demonstrate all robust bound states in the continuum in photonic crystal slabs are vortex centers in the polarization directions of far-field radiation. They are robust because they carry quantized topological charges, which are conserved if the system is invariant under parity-time ( PT) and up-down mirror flip operations. grant county news paperWeb2 days 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 … grant county new mexico treasurerWebFeb 10, 2024 · The bound state in the continuum (BIC) explores the extraordinary optical properties of a system possessing wave characteristics that gained recent importance for … grant county new mexico historical societyWebThe concept of optical bound states in the continuum (BICs) currently drives the field of dielectric resonant nanophotonics, providing an important physical mechanism for engineering high-quality (... Bound States in the Continuum in Anisotropic Plasmonic Metasurfaces Nano Letters ACS ACS Publications C&EN CAS Find my institution Log In … chip and a chair meaningWebApr 12, 2024 · Recently, optical bound states in continuum (BICs) incorporated with optical gain have been reported to exhibit lasing. Here, it is shown that each of the four BICs supported by C 4v$_{4v}$ symmetric … Expand. 10. Save. Alert. grant county newspaper hyannis nebraska