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 …

We present a comprehensive overview of sensor technology exploiting optical whispering
gallery mode (WGM) resonances. After a short introduction we begin by detailing the …

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

High-and ultrahigh-Q whispering-gallery mode resonators have the capability to trap
photons by total internal reflection for a duration ranging from nanoseconds to milliseconds …

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 …

Optical whispering-gallery-mode microresonators with ultrahigh quality factors and small
mode volumes have played an important role in modern physics. They have been …

The experimental realization of a Kerr frequency comb represented the convergence of
research in materials, physics, and engineering. This symbiotic relationship continues to …

For a number of years, the scientific community has been paying growing attention to the
monitoring and enhancement of public health and the quality of life through the detection of …

Whispering gallery mode (WGM) resonators have attracted extensive attention and their
unique characteristics have led to some remarkable achievements. In particular, when …

Whispering gallery mode (WGM) resonators have been exploited as a highly sensitive and
efficient sensing technique in the past few years. They offer the advantages of ultrahigh …