Nanophotonic approaches for chirality sensing

LA Warning, AR Miandashti, LA McCarthy, Q Zhang… - ACS …, 2021 - ACS Publications
Chiral nanophotonic materials are promising candidates for biosensing applications
because they focus light into nanometer dimensions, increasing their sensitivity to the …

Nanophotonic biosensors harnessing van der Waals materials

SH Oh, H Altug, X **, T Low, SJ Koester… - Nature …, 2021 - nature.com
Low-dimensional van der Waals (vdW) materials can harness tightly confined polaritonic
waves to deliver unique advantages for nanophotonic biosensing. The reduced …

High quality factor toroidal resonances in dielectric metasurfaces

J Jeong, MD Goldflam, S Campione, JL Briscoe… - Acs …, 2020 - ACS Publications
Toroidal moment is an electromagnetic excitation that lies outside the familiar picture of
electric and magnetic multipoles. It has recently been a topic of intense research in the fields …

Enhanced chiral sensing with dielectric nanoresonators

J Garcia-Guirado, M Svedendahl, J Puigdollers… - Nano …, 2019 - ACS Publications
Chiro-sensitive molecular detection is highly relevant as many biochemical compounds, the
building blocks of life, are chiral. Optical chirality is conventionally detected through circular …

Refractive index sensing with optical bound states in the continuum

DN Maksimov, VS Gerasimov, S Romano… - Optics …, 2020 - opg.optica.org
We consider refractive index sensing with optical bounds states in the continuum (BICs) in
dielectric gratings. Applying a perturbative approach we derived the differential sensitivity …

Trends in nanophotonics‐enabled optofluidic biosensors

J Wang, SA Maier, A Tittl - Advanced Optical Materials, 2022 - Wiley Online Library
Optofluidic sensors integrate photonics with micro/nanofluidics to realize compact devices
for the label‐free detection of molecules and the real‐time monitoring of dynamic surface …

All-dielectric thermonanophotonics

GP Zograf, MI Petrov, SV Makarov… - Advances in Optics and …, 2021 - opg.optica.org
Nanophotonics is an important branch of modern optics dealing with light–matter interaction
at the nanoscale. Nanoparticles can exhibit enhanced light absorption under illumination by …

Tuning the exponential sensitivity of a bound-state-in-continuum optical sensor

S Romano, G Zito, SN Lara Yépez, S Cabrini… - Optics express, 2019 - opg.optica.org
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 …

[HTML][HTML] All-dielectric magneto-photonic metasurfaces

DO Ignatyeva, DM Krichevsky, VI Belotelov… - Journal of Applied …, 2022 - pubs.aip.org
All-dielectric metasurfaces have been attracting much attention. Low optical losses and a
huge variety of optical modes provide unique possibilities for light manipulation at the …

Quasi-BIC laser enabled by high-contrast grating resonator for gas detection

H Zhang, T Wang, J Tian, J Sun, S Li, I De Leon… - …, 2022 - degruyter.com
In this work, we propose and numerically investigate a two-dimensional microlaser based on
the concept of bound states in the continuum (BIC). The device consists of a thin gain layer …