Optical control of bound states in continuum

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August undefined, 2024

WebSep 12, 2024 · Bound states in the continuum in periodic photonic systems like photonic crystal slabs are proved to be accompanied by vortex polarization singularities on the photonic bands in the momentum space. The winding structures of polarization states not only widen the field of topological physics but also show great potential that such … http://ab-initio.mit.edu/~chsu/optical_bic/

Optical Bound States in the Continuum Enabled by Magnetic

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 state s 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 ... optical forces to control a metavehicle. The designed metasurface unit-cell for BIC mode is shown in Fig. 1(a). Two ... green by nature canada

Negative refraction mediated by bound states in the continuum

WebOptical resonant cavities with high quality factor (Q-factor) are widely used in science and technology for their capabilities of strong confinement of light and enhanced light–matter … WebJul 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 … 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 ... flow expression if

Exploring the Optical Bound State in the Continuum in a …

Topological nature of 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 … 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 … green by nature ottawaWebNov 3, 2024 · The introduction of bound states in the continuum (BICs) to photonics has revolutionized the way cavity design and light–matter interactions are thought about in … flowextra.com

"To measure the transmission under one port excitation, a fiber-based terahertz time-domain spectroscopy (TDS) system was applied (Advanced Photonics, Inc.), as displayed in Fig. 3a. The THz pulse generated by the photoconductive transmitter was firstly collimated by a TPX lens L1. After passing through the … See more Our freestanding photonic crystal slab is fabricated by the following processes: we generated a periodic hole pattern of photoresist on a 160 μm thick … See more Further information on research design is available in the Nature Research Reporting Summarylinked to this article. See more " - Optical control of bound states in continuum

Optical control of bound states in continuum

Topological nature of optical bound states in the continuum

WebMolecular binding is detected as a shift in the resonant wavelength of the bound states in the continuum of radiation modes. The new configuration is applied to the recognition of the interaction between protein p53 and its protein regulatory partner murine double minute 2 (MDM2). A detection limit of 66 nM for the protein p53 is found. 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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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 … WebGraphene plasmons, possessing a lot of unique optical properties, have been employed to enable a variety of applications in the THz frequency range. Here, we demonstrate bound …

WebDec 19, 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 … WebApr 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, …

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 … WebDec 18, 2024 · Waveguiding structural made of anisotropic print support bound states in the continuum (BICs) that arise as the radiation channel away otherwise semileaky modes is suppressed. Hitherto, only structures with optical shafts aligned in symmetry orientations inside the waveguide plane, where BICs appear as multiple in the momentum-frequency …

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 …

WebFeb 10, 2024 · Abstract. The bound state in the continuum (BIC) explores the extraordinary optical properties of a system possessing wave characteristics that gained recent … flow extendicare.comWebDec 21, 2024 · Sun, “Optical refractive index sensing based on high-Q bound states in the continuum in free-space coupled photonic crystal slabs,” Sensors 17 (8), 1861 (2024). 20. flow expression orWebOct 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. green by laura vaccaro seeger flow expression syntaxWebDec 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. flow expression for todayWebOptical bound state s in the continuum (BIC) are topological singularities of the scattering matrix, known for their unique light trapping capability and enhanced light-matter … flowextine twitterWebing 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- flow expression today\u0027s date