Results 1 to 10 of about 774 (212)

Label-Free Bound-States-in-the-Continuum Biosensors

open access: yesBiosensors, 2022
Bound states in the continuum (BICs) have attracted considerable attentions for biological and chemical sensing due to their infinite quality (Q)-factors in theory.
Man Luo   +8 more
doaj   +3 more sources

Bound states in the continuum and strong phase resonances in integrated Gires-Tournois interferometer

open access: yesNanophotonics, 2020
Photonic bound states in the continuum (BICs) are eigenmodes with an infinite lifetime, which coexist with a continuous spectrum of radiating waves. BICs are not only of great theoretical interest but also have a wide range of practical applications, e.g.
Bykov Dmitry A.   +2 more
doaj   +2 more sources

Dispersive bands of bound states in the continuum

open access: yesNanophotonics, 2021
Bound states in the continuum (BICs), i.e. highly-localized modes with energy embedded in the continuum of radiating waves, have provided in the past decade a new paradigm in optics and photonics, especially at the nanoscale, with a range of applications
Longhi Stefano
doaj   +2 more sources

A High Quality-Factor Optical Modulator with Hybrid Graphene-Dielectric Metasurface Based on the Quasi-Bound States in the Continuum

open access: yesMicromachines, 2022
In this paper, we combine the dielectric metasurface with monolayer graphene to realize a high quality(Q)-factor quasi-BIC-based optical modulator, and the corresponding modulation performances are investigated by using the finite-difference time-domain (
Chaolong Li   +4 more
doaj   +1 more source

Numerical Study on a Bound State in the Continuum Assisted Plasmonic Refractive Index Sensor

open access: yesPhotonics, 2022
Plasmonic sensors have attracted intensive attention due to their high sensitivity. However, due to intrinsic metallic loss, plasmonic sensors usually have a large full width at half maximum (FWHM) that limits the wavelength resolution. In this paper, we
Shulin Tang   +3 more
doaj   +1 more source

Adjacent Asymmetric Tilt Grating Structure With Strong Resonance Assisted by Quasi-Bound States in the Continuum

open access: yesIEEE Photonics Journal, 2022
In the field of optics, bound state in the continuum (BIC) as a special state to be researched in many photonic crystals and periodic structures, which can produce strong resonance and an ultrahigh Q factor.
Yuhang Ruan   +4 more
doaj   +1 more source

High-Q photonic aptasensor based on avoided crossing bound states in the continuum and trace detection of ochratoxin A

open access: yesBiosensors and Bioelectronics: X, 2022
High quality factor (Q) optical biosensors find many applications, from environmental monitoring to food safety and clinical diagnostics. In particular, bound states in the continuum (BICs) can be implemented in planar large-area nanostructures for ...
Chiara Schiattarella   +9 more
doaj   +1 more source

True- and quasi-bound states in the continuum in one-dimensional gratings with broken up-down mirror symmetry

open access: yesNanophotonics, 2021
There are many reports in the literature of bound states in the continuum (BICs) in systems with up–down mirror symmetry. Semiconductor-based technology requires bulk semiconductor substrates, which impose symmetry breaking in the vertical direction.
Głowadzka Weronika   +2 more
doaj   +1 more source

Bound states in the continuum and exceptional points in dielectric waveguide equipped with a metal grating

open access: yesNew Journal of Physics, 2020
Bound states in the continuum (BICs) and exceptional points (EPs) have been the subjects of recent intensive research as they exhibit exotic phenomena that are significant for both fundamental physics and practical applications.
Ryo Kikkawa   +2 more
doaj   +1 more source

Tunable high-quality-factor absorption in a graphene monolayer based on quasi-bound states in the continuum

open access: yesBeilstein Journal of Nanotechnology, 2022
A tunable graphene absorber, composed of a graphene monolayer and a substrate spaced by a subwavelength dielectric grating, is proposed and investigated.
Jun Wu   +4 more
doaj   +1 more source

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