Optical control of bound states in continuum

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August undefined, 2024

Webing the concept of bound states in the continuum (BICs), which represent localized states with energies embedded in the continuous spectrum of radiating waves. BICs were pre-dicted as a mathematical curiosity in quantum mechanics long time ago [11]. In spite of the fact that the system pro-posed in that work has never been implemented experimen- 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 ...

Optical Bound States in the Continuum Enabled by Magnetic …

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 … WebFano resonances result from the strong coupling and interference between a broad background state and a narrow, almost discrete state, leading to the emergence of asymmetric scattering spectral profiles. Under certain conditions, Fano resonances can experience a collapse of their width due to the destructive interference of strongly … hidding meaning of the a team

Optical Bound States in the Continuum Enabled by Magnetic

WebNegative refraction might occur at the interface between a two-dimensional photonic crystal (PhC) slab and a homogeneous medium, where the guiding of the electromagnetic wave along the third dimension is governed by total internal reflection. Herein, we report on the observation of negative refraction in the PhC slab where the vertical guiding is enabled by … WebOct 27, 2024 · Abstract 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. WebNonetheless, for sufficiently strong interactions we observe bound states of these unconventional magnons which possess a non-diverging group velocity. By measuring the … hiddingh estate

Engineering of multiple bound states in the continuum by ... - Optica

Optical Biosensors Based on Photonic Crystals Supporting Bound States …

WebApr 14, 2024 · In quantum mechanics, a bound state is a state whose energy is lower than that of a continuum state, where an electron is bound around the nucleus. The energy of the BIC mode is also lower than that of the continuum state, but the photon in this state is not bound in the medium. Rather, it is restricted near the surface of the medium. WebDec 20, 2024 · A bound state in the continuum (BIC) is a localized state of an open structure with access to radiation channels, yet it remains highly confined with, in theory, an infinite lifetime and quality factor. There have been many realizations of such exceptional states in dielectric systems without loss. hidding hall uctWebApr 1, 2024 · Optical bound states in the continuum (BIC) are topological singularities of the scattering matrix, known for their unique light-trappin … Light-actuated motors, vehicles, … hiddingh hall

"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 … " - Optical control of bound states in continuum

Optical control of bound states in continuum

Photonics Free Full-Text An Ultra-Low-Loss Waveguide Based …

WebMar 24, 2024 · Bound states in the continuum (BICs) provide an important way for creating photonic devices reliant upon optical modes with high Q-factors. However, current experimental implementations of BICs in photonic crystal (PhC) slabs only possess a certain polarization, which fundamentally restricts their use to surface-enhanced applications … WebOct 29, 2024 · Controlling light absorption of graphene at critical coupling through magnetic dipole quasi-bound states in the continuum resonance Xing Wang, Junyi Duan, Wenya Chen, Chaobiao Zhou, Tingting Liu, and Shuyuan Xiao Phys. Rev. B 102, 155432 – Published 29 October 2024 More PDF HTML Export Citation Abstract

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WebReconfigurable dielectric metasurfaces have shown tremendous potential to actively control the fundamental (amplitude, phase and polarization) properties of light with minimal losses. Here we demonstrate ultrafast tuning of circular dichroism (CD) using dual degenerate bound-state-in-continuum (BIC) resonances in a Silicon metasurface. 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 …

WebApr 12, 2024 · Suppression of optical absorption with a bound state in the continuum @inproceedings{Kokowski2024SuppressionOO, title={Suppression of optical absorption with a bound state in the continuum}, author={Radosław Kołkowski and Andriy Shevchenko}, year={2024} } R. Kołkowski, A. Shevchenko; Published 12 April 2024; Physics WebMar 7, 2024 · Arbitrary polarized vortex beam induced by polarization singularity offers a new platform for both classical optics and quantum entanglement applications. Bound …

WebFeb 17, 2024 · Dielectric metasurfaces made of high refractive index and low optical loss materials have emerged as promising platforms to achieve high-quality factor modes … WebDec 12, 2024 · Via control of the asymmetry of the cluster, the TD could transform from bound states in the continuum into leaky resonances with high-Q factors. The optical antiferromagnetic response could also be identified from the tetramer cluster arrays. The toroidal and antiferromagnetic effects come from the trapped modes with symmetry …

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 …

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 … hiddin hosting.betsoft-srl.itWebWe demonstrate a neural network capable of designing on-demand multiple symmetry-protected bound states in the continuum (BICs) in freeform structures with predefined symmetry. The latent representation of the freeform structures allows the tuning of the geometry in a differentiable, continuous way. We show the rich band inversion and … hidding leson bocholtWebNonetheless, for sufficiently strong interactions we observe bound states of these unconventional magnons which possess a non-diverging group velocity. By measuring the configurational mutual information between two disjoint intervals, we demonstrate the implications of the bound state formation on the entanglement dynamics of the system. hiddinsecret shirthttp://ab-initio.mit.edu/~chsu/optical_bic/ hiddingh ravineWebApr 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 ... hiddingh libraryWebApr 14, 2024 · In quantum mechanics, a bound state is a state whose energy is lower than that of a continuum state, where an electron is bound around the nucleus. The energy of … hidding location on cell phoneWebJul 6, 2024 · We investigate a reconfigurable dielectric metasurface merging optomechanical interaction and quasi-bound states in the continuum promising for all-optical light control light. The surface consists of a dimerized high-contrast grating with a compliant bilayer structure. The optical forces induced by … hiddin resorts around the world