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 … WebDec 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.

Suppression of optical absorption with a bound state in the continuum

WebApr 12, 2024 · Physics Optical bound states in the continuum (BICs) have enabled suppression of radiation loss in various photonic structures. However, their quality ($Q$) … WebOct 25, 2011 · Abstract. We present the experimental observation of bound states in the continuum. Our experiments are carried out in an optical waveguide array structure, … greenwood indiana county gis

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WebThe trapped light is an optical bound state in continuum (BIC), namely a localized state whose frequency (or energy) lies within the continuous band where normally only spatially … 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 … WebWe 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 … foam photo props

Suppression of optical absorption with a bound state in …

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

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 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 … foam pickleball ballsWebDec 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 … foam pickaxe

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Optical control of bound states in continuum

Bound states in the continuum in PT-symmetric optical lattices

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, …

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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. 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

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 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 ...

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 … 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 …

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 …

WebMar 7, 2024 · Arbitrary polarized vortex beam induced by polarization singularity offers a new platform for both classical optics and quantum entanglement applications. Bound … greenwood indiana electronic recyclingWebReconfigurable 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. greenwood indiana community schoolsWebJul 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 … greenwood indiana countyWebDec 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 … greenwood indiana clothing manufacturersWebApr 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. greenwood indiana explosionWebDec 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 … greenwood indiana county taxesWebMolecular 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. greenwood indiana county line road