Optical control of bound states in continuum

Author: owld

August undefined, 2024

http://ab-initio.mit.edu/~chsu/optical_bic/ 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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WebNonetheless, 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. 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 … o symbol with line

Experimental Observation of Optical Bound States in the

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 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. 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 … o symbol in periodic table

Circularly Polarized States Spawning from Bound States in the Continuum

Beyond Conventional Sensing: Hybrid Plasmonic Metasurfaces and 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 … 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 … o - synthetic kadomatsuWebFeb 10, 2024 · Abstract. The bound state in the continuum (BIC) explores the extraordinary optical properties of a system possessing wave characteristics that gained recent … o symbol in math

"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, … " - Optical control of bound states in continuum

Optical control of bound states in continuum

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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 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 …

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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. 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 …

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. 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 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 ... 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 …

WebNov 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 …

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 … o.symetric 9200WebNonetheless, for sufficiently strong interactions we observe bound states of these unconventional magnons which possess a non-diverging group velocity. By measuring the … rock creek tee timesWebThe 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 … rock creek technologies llc