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

Microlasers have experienced tremendous development in the past decade and become an
essential part in laser evolution, as miniature lasers provide strong optical confinement and …

Herein, recent progress in fiber optofluidic lasers and their applications in biochemical
detection are reviewed. The unique properties of optical fibers are introduced for the …

Optical whispering‐gallery mode (WGM) microcavities featuring ultrahigh Q factors and
small mode volumes enhance significantly the interaction between light and matter …

Whispering gallery modes (WGMs) have been exploited for a broad range of sensing
applications. However, the vast majority of WGM sensors consist of passive resonators …

The realization of efficient on‐chip microlasers with scalable fabrication, ultralow threshold,
and stable single‐frequency operation is always desired for a wide range of miniaturized …

Coherent light signals generated at the nanoscale are crucial to the realization of photonic
integrated circuits. Self‐assembled nanowires from organic dyes can provide both a gain …

Miniaturized lasers with multicolor output and high spectral purity are of crucial importance
for yielding more compact and more versatile photonic devices. However, multicolor lasers …

Single-mode lasing in whispering-gallery mode (WGM) microresonators is challenging to
achieve. In bottle microresonators, the highly non-degenerated WGMs are spatially well …

The development of multi-wavelength lasing, particularly with the wavelength tuning in a
wide spectral range, is challenging but highly desirable for integrated photonic devices due …