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Label-free sensing of ultralow-weight molecules with all-dielectric metasurfaces supporting bound states in the continuum
The realization of an efficient optical sensor based on a photonic crystal metasurface
supporting bound states in the continuum is reported. Liquids with different refractive …
supporting bound states in the continuum is reported. Liquids with different refractive …
Frontiers of light manipulation in natural, metallic, and dielectric nanostructures
The ability to control light at the nanoscale is at the basis of contemporary photonics and
plasmonics. In particular, properly engineered periodic nanostructures not only allow the …
plasmonics. In particular, properly engineered periodic nanostructures not only allow the …
Tuning the exponential sensitivity of a bound-state-in-continuum optical sensor
In this work, we investigate the evanescent field sensing mechanism provided by an all-
dielectric metasurface supporting bound states in the continuum (BICs). The metasurface is …
dielectric metasurface supporting bound states in the continuum (BICs). The metasurface is …
Optical biosensors based on photonic crystals supporting bound states in the continuum
A novel optical label-free bio-sensing platform based on a new class of resonances
supported in a photonic crystal metasurface is reported herein. Molecular binding is …
supported in a photonic crystal metasurface is reported herein. Molecular binding is …
Guided resonance in negative index photonic crystals: a new approach
The behavior of a negative refraction photonic crystal slab irradiated with out-of-plane
incident beam is an unexplored subject. In such an experimental configuration, guided …
incident beam is an unexplored subject. In such an experimental configuration, guided …
Optical sensors based on photonic crystal: a new route
The realization of miniaturized devices able to accumulate a higher number of information in
a smallest volume is a challenge of the technological development. This trend increases the …
a smallest volume is a challenge of the technological development. This trend increases the …
Electromagnetic bandgap formation in two-dimensional photonic crystal structure with DNG materials under TE mode
P Chakraborty, R Ghosh, A Adhikary… - 2019 Devices for …, 2019 - ieeexplore.ieee.org
Bandgap width within first Brillouin zone in metamaterial-based two-dimensional photonic
crystal structure is analytically computed using plane wave expansion method. A wider …
crystal structure is analytically computed using plane wave expansion method. A wider …
Temperature dependence of band gap ratio and Q-factor defect mode in a semiconductor quaternary alloy hexagonal photonic-crystal hole slab
R Sánchez-Cano, N Porras-Montenegro - Applied Physics A, 2016 - Springer
We present numerical predictions for the photonic TE-like band gap ratio and the quality
factors of symmetric localized defect as a function of the thickness slab and temperature by …
factors of symmetric localized defect as a function of the thickness slab and temperature by …
Enhancing light-matter interaction in all-dielectric photonic crystal metasurfaces
The localization of the electromagnetic field at the nanoscale can play a key role in many
applications, such as sensing, spectroscopy and energy conversion. In the last years, great …
applications, such as sensing, spectroscopy and energy conversion. In the last years, great …
Bound-state in the continuum of a photonic crystal metasurface: a platform for ultrasensitive sensing and near field amplification
The localization of the electromagnetic field at the nanoscale can play a key role in many
applications, such as sensing, spectroscopy and energy conversion. In the last years, great …
applications, such as sensing, spectroscopy and energy conversion. In the last years, great …