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

As a fundamental optical approach to interferometry, Sagnac interference has been widely
used for reflection manipulation, precision measurements, and spectral engineering in …

A laser frequency comb is a broad spectrum composed of equidistant narrow lines. Initially
invented for frequency metrology, such combs enable new approaches to spectroscopy over …

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 …

Over the past decade, optical frequency combs generated by high-Q microresonators, or
optical microcombs, which feature compact device footprints, low power consumption, and …

Measurement of optical and vibrational spectra with high resolution provides a way to
identify chemical species in cluttered environments and is of general importance in many …

This chapter describes the discovery and stable generation of temporal dissipative Kerr
solitons in continuous‐wave (CW) laser‐driven optical microresonators. The experimental …

The generation of Kerr frequency combs in a coherently driven nonlinear microresonator is
now extensively investigated more generally by the research community as a potentially …

Femtosecond laser-based generation of radio frequency signals has produced astonishing
improvements in achievable spectral purity, one of the basic features characterizing the …

The development of a spectroscopy device on a chip that could realize real-time
fingerprinting with label-free and high-throughput detection of trace molecules represents …