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 …

Detection of nanoscale objects is highly desirable in various fields such as early‐stage
disease diagnosis, environmental monitoring and homeland security. Optical microcavity …

Nanophotonic device building blocks, such as optical nano/microcavities and plasmonic
nanostructures, lie at the forefront of sensing and spectrometry of trace biological and …

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 biosensors have been widely exploited over the past decade to
study molecular interactions by virtue of their high sensitivity and applicability in real-time …

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 …

Optical microresonators confine light to a particular microscale trajectory, are exquisitely
sensitive to their microenvironment, and offer convenient readout of their optical properties …

Ultrasensitive optical detection of nanometer-scaled particles is highly desirable for
applications in early-stage diagnosis of human diseases, environmental monitoring, and …