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 …

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 …

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 …

Infrared spectroscopy resolves the structure of molecules by detecting their characteristic
vibrational fingerprints. Subwavelength light confinement and nanophotonic enhancement …

Thanks to advanced semiconductor microfabrication technology, chip-scale integration and
miniaturization of lab-on-a-chip components, silicon-based optical biosensors have made …

Optical phase modulators are essential to large-scale integrated photonic systems at visible
wavelengths and are promising for many emerging applications. However, current …

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 …

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 …

Localized surface plasmon resonance (LSPR) is a longstudied nanoscale phenomenon of
considerable recent interest. 1, 2 These resonances, associated with noble metal …

Biosensing relies on the detection of molecules and their specific interactions. It is therefore
highly desirable to develop transducers exhibiting ultimate detection limits. Microcavities are …