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

Optical whispering-gallery mode (WGM) microresonators, confining resonant photons in a
microscale volume for long periods of time, strongly enhance light-matter interactions …

Layered two-dimensional (2D) graphene oxide (GO) films are integrated with silicon-on-
insulator (SOI) nanowire waveguides to experimentally demonstrate an enhanced Kerr …

One of the fastest-expanding study areas in optics over the past decade has been
metasurfaces (MSs). These subwavelength meta-atom-based ultrathin arrays have been …

Biosensor technology is an active field of research and development presenting rapid
progress in recent decades, and the subfield of optical biosensors based on refractometric …

Optical microcavities that confine light in high-Q resonance promise all of the capabilities
required for a successful next-generation microsystem biodetection technology. Label-free …

Recent developments in optical biosensors based on integrated photonic devices are
reviewed with a special emphasis on silicon-on-insulator ring resonators. The review is …

The application of portable, easy‐to‐use and highly sensitive lab‐on‐a‐chip biosensing
devices for real‐time diagnosis could offer significant advantages over current analytical …

While silicon photonic resonant cavities have been widely investigated for biosensing
applications, enhancing their sensitivity and detection limit continues to be an area of active …

This review provides an insight into the recent developments of photonic crystal (PhC)-
based devices for sensing and imaging, with a particular emphasis on biosensors. We focus …