The quest towards the integration of ultra-fast, high-precision optical clocks is reflected in the
large number of high-impact papers on the topic published in the last few years. This interest …

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

Ultrahigh-Q optical resonators are being studied across a wide range of fields, including
quantum information, nonlinear optics, cavity optomechanics and telecommunications …

Advanced applications in optical metrology demand improved lasers with high spectral
purity, in form factors that are small and insensitive to environmental perturbations. While …

The stabilization and manipulation of laser frequency by means of an external cavity are
nearly ubiquitously used in fundamental research and laser applications. While most of the …

Low-phase-noise microwave oscillators are important to a wide range of subjects, including
communications, radar and metrology. Photonic-based microwave-wave sources now …

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

Stimulated Brillouin scattering with both pump and Stokes beams in resonance with
whispering gallery modes of an ultrahigh Q calcium fluoride resonator is demonstrated for …

The optical frequency comb technology is one of the most important breakthrough in
photonics in recent years. This concept has revolutionized the science of ultra-stable …

Optical Kerr frequency combs are known to be effective coherent multiwavelength sources
for ultrahigh capacity fiber communications. These combs are the frequency-domain …