Review of biosensing with whispering-gallery mode lasers

N Toropov, G Cabello, MP Serrano, RR Gutha… - Light: Science & …, 2021 - nature.com
Lasers are the pillars of modern optics and sensing. Microlasers based on whispering-
gallery modes (WGMs) are miniature in size and have excellent lasing characteristics …

Optical refractive index sensors with plasmonic and photonic structures: promising and inconvenient truth

Y Xu, P Bai, X Zhou, Y Akimov, CE Png… - Advanced Optical …, 2019 - Wiley Online Library
Optical sensors are widely used for refractive index measurement in chemical, biomedical,
and food processing industries. Due to specific field distribution of the resonances, optical …

Whispering-gallery sensors

X Jiang, AJ Qavi, SH Huang, L Yang - Matter, 2020 - cell.com
Optical whispering-gallery mode (WGM) microresonators, confining resonant photons in a
microscale volume for long periods of time, strongly enhance light-matter interactions …

Single-molecule optofluidic microsensor with interface whispering gallery modes

XC Yu, SJ Tang, W Liu, Y Xu, Q Gong… - Proceedings of the …, 2022 - National Acad Sciences
Label-free sensors are highly desirable for biological analysis and early-stage disease
diagnosis. Optical evanescent sensors have shown extraordinary ability in label-free …

Advances in optoplasmonic sensors–combining optical nano/microcavities and photonic crystals with plasmonic nanostructures and nanoparticles

J Xavier, S Vincent, F Meder, F Vollmer - Nanophotonics, 2018 - degruyter.com
Nanophotonic device building blocks, such as optical nano/microcavities and plasmonic
nanostructures, lie at the forefront of sensing and spectrometry of trace biological and …

Nanogap enhancement of the refractometric sensitivity at quasi-bound states in the continuum in all-dielectric metasurfaces

K Watanabe, M Iwanaga - Nanophotonics, 2023 - degruyter.com
All-dielectric metasurfaces have great potential as highly sensitive refractometric sensors
relying on their spectral shifts because of an extensive range of design flexibilities and their …

Roadmap on optical sensors

MFS Ferreira, E Castro-Camus, DJ Ottaway… - Journal of …, 2017 - iopscience.iop.org
Sensors are devices or systems able to detect, measure and convert magnitudes from any
domain to an electrical one. Using light as a probe for optical sensing is one of the most …

[HTML][HTML] High-Q quasi-BIC in photonic crystal nanobeam for ultrahigh sensitivity refractive index sensing

B Duan, S Liu, X Liu, X Yu, C Wang, D Yang - Results in Physics, 2023 - Elsevier
We propose and numerically demonstrate the existence of bound state in the continuum
(BIC) in silicon-based one-dimensional photonic crystal nanobeam (1D-PCN). The 1D-PCN …

Single-molecule optical biosensing: recent advances and future challenges

S Dey, M Dolci, P Zijlstra - ACS Physical Chemistry Au, 2023 - ACS Publications
In recent years, the sensitivity and specificity of optical sensors has improved tremendously
due to improvements in biochemical functionalization protocols and optical detection …

Single-molecule optical absorption imaging by nanomechanical photothermal sensing

MH Chien, M Brameshuber… - Proceedings of the …, 2018 - National Acad Sciences
Absorption microscopy is a promising alternative to fluorescence microscopy for single-
molecule imaging. So far, molecular absorption has been probed optically via the …