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 …

From whispering gallery mode resonators to biochemical sensors

M Loyez, M Adolphson, J Liao, L Yang - ACS sensors, 2023‏ - ACS Publications
Optical biosensors are frontrunners for the rapid and real-time detection of analytes,
particularly for low concentrations. Among them, whispering gallery mode (WGM) resonators …

Lasing of carbon dots: Chemical design, mechanisms, and bright future

Y Zhang, S Lu - Chem, 2024‏ - cell.com
Carbon dots (CDs) are a new solution-processable laser material. They offer advantages of
non-toxicity, low cost, and high stability, making them attractive for the sustainable …

Angle-multiplexed all-dielectric metasurfaces for broadband molecular fingerprint retrieval

A Leitis, A Tittl, M Liu, BH Lee, MB Gu, YS Kivshar… - Science …, 2019‏ - science.org
Infrared spectroscopy resolves the structure of molecules by detecting their characteristic
vibrational fingerprints. Subwavelength light confinement and nanophotonic enhancement …

Enhanced sensitivity at higher-order exceptional points

H Hodaei, AU Hassan, S Wittek, H Garcia-Gracia… - Nature, 2017‏ - nature.com
Non-Hermitian degeneracies, also known as exceptional points, have recently emerged as
a new way to engineer the response of open physical systems, that is, those that interact …

Light in diagnosis, therapy and surgery

SH Yun, SJJ Kwok - Nature biomedical engineering, 2017‏ - nature.com
Light and optical techniques have made profound impacts on modern medicine, with
numerous lasers and optical devices currently being used in clinical practice to assess …

Silicon photonic biosensors using label-free detection

E Luan, H Shoman, DM Ratner, KC Cheung… - Sensors, 2018‏ - mdpi.com
Thanks to advanced semiconductor microfabrication technology, chip-scale integration and
miniaturization of lab-on-a-chip components, silicon-based optical biosensors have made …

Fundamental limits and non-reciprocal approaches in non-Hermitian quantum sensing

HK Lau, AA Clerk - Nature communications, 2018‏ - nature.com
Unconventional properties of non-Hermitian systems, such as the existence of exceptional
points, have recently been suggested as a resource for sensing. The impact of noise and …

Dielectric microcavities: Model systems for wave chaos and non-Hermitian physics

H Cao, J Wiersig - Reviews of Modern Physics, 2015‏ - APS
This is a review on theoretical and experimental studies on dielectric microcavities, which
play a significant role in fundamental and applied research. The basic concepts and theories …

Robust, efficient, micrometre-scale phase modulators at visible wavelengths

G Liang, H Huang, A Mohanty, MC Shin, X Ji… - Nature …, 2021‏ - nature.com
Optical phase modulators are essential to large-scale integrated photonic systems at visible
wavelengths and are promising for many emerging applications. However, current …