Label-free optical biosensing holds great promise for a variety of applications in biomedical
diagnostics, environmental and food safety, and security. It is already used as a key tool in …

The quality factor (Q), describing the rate of energy loss from a resonator, is a defining
performance metric for nanophotonic devices. Suppressing cavity radiative losses enables …

All-dielectric metasurfaces have been intensively researched as a low-loss, flat-optics
platform for the advanced manipulation of electromagnetic wave propagation. Among the …

Symmetry-protected and accidental bound states in the continuum (BICs) are generated by
various triggering mechanisms, and it is challenging to use them together for sensing. This …

In this paper, an all-dielectric metasurface consisting of a unit cell containing a nanocube
array and organized periodically on a silicon dioxide substrate is designed and analyzed. By …

Advancing clinical and nonclinical diagnostic technologies is particularly crucial for
improved preparedness for the next pandemic and other global healthcare challenges. To …

The electromagnetic fields distributed on the surface region of the nanostructure is very
important to improve the performance of the sensor. Here, we proposed a highly sensitive …

The integration of advanced materials and photonic nanostructures can lead to enhanced
biodetection capabilities, crucial in clinical scenarios and point‐of‐care diagnostics, where …

Bound states in the continuum (BICs) have attracted considerable attentions for biological
and chemical sensing due to their infinite quality (Q)-factors in theory. Such high-Q devices …

High quality factor (Q) optical biosensors find many applications, from environmental
monitoring to food safety and clinical diagnostics. In particular, bound states in the …