Optical microcombs represent a new paradigm for generating laser frequency combs based
on compact chip-scale devices, which have underpinned many modern technological …

The commercial success of radio-frequency acoustic filters in wireless communication
systems has launched aluminum nitride (AlN) as one of the most widely used …

The introduction of nonlinear nanophotonic devices to the field of optical frequency comb
metrology has enabled new opportunities for low-power and chip-integrated clocks, high …

Kerr soliton microcombs have recently emerged as a prominent topic in integrated photonics
and have enabled new horizons for optical frequency metrology. Kerr soliton microcombs …

High-speed optical telecommunication is enabled by wavelength-division multiplexing,
whereby hundreds of individually stabilized lasers encode information within a single-mode …

Optical frequency combs can potentially provide an efficient light source for multi-terabit-per-
second optical superchannels. However, as the bandwidth of these multi-wavelength light …

Chip-based soliton frequency combs have been demonstrated on various material
platforms, offering broadband, mutually coherent, and equally spaced frequency lines …

Optical frequency combs are revolutionizing modern time and frequency metrology. In the
past years, their range of applications has increased substantially, driven by their …

Resonator-based optical frequency comb generation is an enabling technology for a myriad
of applications ranging from communications to precision spectroscopy. These frequency …

Kerr optical frequency comb as a novel microcomb source has found a variety of key
applications from fundamental research to engineering applications. Generation of such …