Photonic bound states in the continuum
WebApr 25, 2024 · This paper describes a compact refractometer in visible with optical bounds states in the continuum (BICs) using silicon nitride (Si3N4) based sub-wavelength medium contrast gratings (MCGs). The proposed device is highly sensitive to different polarization states of light and allows a wide dynamic range from 1.330 (aqueous environment) to … WebApr 7, 2024 · Based on the ideas of modulation of multiple BICs, ultrahigh Q-factor resonance has been realized by array of planar metasurfaces with H-shaped nanoholes, perforated on a Si3N4 photonic crystal slab surrounded by a silica medium. Multiple BICs of both at Γ BICs and off Γ BICs are obtained. Two BICs at the Γ point show up in the lower …
Photonic bound states in the continuum
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WebJul 4, 2024 · Bound states in the continuum provide a remarkable example of how a simple problem solved about a century ago in quantum mechanics can drive the research on a … WebApr 10, 2024 · Here, we present such a structure, leveraging bound states in the continuum (BICs) to realize large-area confinement of UV-DB light with ultra-high quality factors up to …
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 general. BICs can have very high quality factors, even in open structures where access to … WebAug 1, 2024 · Photonic bound states in the continuum (BICs) are protected eigenstates in optical systems with infinite lifetimes. This unique property, which translates in infinite Q-factor resonances, makes BICs extremely interesting not only from a fundamental perspective but also for various applications such as lasing and sensing. General means …
WebOct 27, 2024 · We experimentally demonstrated bound states in the continuum in photonic integrated circuits, with which we further realized acousto-optic modulation, frequency. … WebApr 7, 2024 · Based on the ideas of modulation of multiple BICs, ultrahigh Q-factor resonance has been realized by array of planar metasurfaces with H-shaped nanoholes, perforated on a Si3N4 photonic crystal slab surrounded by a silica medium. Multiple BICs of both at Γ BICs and off Γ BICs are obtained. Two BICs at the Γ point show up in the lower …
Web1 Introduction. Photonic bound states in the continuum (BICs) describe exotic localized eigenstates embedded in the continuum spectrum. Since its initial mathematical prediction in quantum mechanics, [] the concept of BICs has been explored in both quantum and classical regimes. [2, 3] In theory, BICs physics allows for resonances with infinite quality …
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 ... swarthmore borough permitsswarthmore borough hallWebOct 7, 2024 · However, the interface state at the Γ point can be perfectly localized and becomes a bound state in the continuum (BIC) due to the symmetry mismatch. ... Liang Liu, Peng Hu, Hong Xiang, and Dezhuan Han, "Interface states and bound states in the continuum in photonic crystals with different lattice constants," Opt. Lett. 45, 5652-5655 … swarthmore borough trash pickupWebApr 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 … skotheim truckingWebJan 1, 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. ... Photonic Bound-States-in-the-Continuum Observed with an Electron Nanoprobe Zhaogang Dong, Zackaria Mahfoud, Ramón Paniagua-Domínguez, Hongtao … swarthmore borough recyclingWebWe experimentally demonstrated photonic integrated circuits with bound states in the continuum by patterning low-refractive-index waveguides on a high-refractive-index substrate. We also demonstrated high-Q microcavities, directional couplers, and electro-optic modulators working under this principle. skotheim norwayWebJul 9, 2024 · We show that point defects in two-dimensional photonic crystals can support bound states in the continuum (BICs). The mechanism of confinement is a symmetry mismatch between the defect mode and the Bloch modes of the photonic crystal. These BICs occur in the absence of band gaps and therefore provide an alternative mechanism … swarthmore borough zoning map