The term whispering gallery mode (WGM) was first introduced to describe the curvilinear
propagation of sound waves under a cathedral dome. The physical concept has now been …

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

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 …

This article reviews the recent advances in microfluidic-chip integrated optical biosensors for
simultaneous detection of multiple analytes. In particular, the principles and recent progress …

We review the most important achievements published in the last five years in the field of
silicon-based optical biosensors. We focus specially on label-free optical biosensors and …

Nanophotonics, manipulating light–matter interactions at the nanoscale, is an appealing
technology for diversified biochemical and physical sensing applications. Guided-wave …

We studied a refractive index sensor that consists of two cascaded ring resonators and that
works analogously to a Vernier-scale. We implemented it in silicon-on-insulator and …

Optical sensors represent a vitally important class of analytical tools that have been used to
provide chemical information ranging from analyte concentration and binding kinetics to …

By virtue of the well‐developed micro‐and nanofabrication technologies and rapidly
progressing surface functionalization strategies, silicon‐based devices have been widely …

We report on the design, simulation and experimental demonstration of a new type of
waveguide crossing based on subwavelength gratings in silicon waveguides. We used 3D …