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 …

Optical fibre communication is the backbone of the internet. As essential core technologies
are approaching their limits of size, speed and energy-efficiency, there is a need for new …

Photonic RF transversal signal processors, which are equivalent to reconfigurable electrical
digital signal processors but implemented with photonic technologies, are attractive for high …

Recent developments in chip-based nonlinear photonics offer the tantalizing prospect of
realizing many applications that can use optical frequency comb devices that have form …

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 …

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

Many physical systems display quantized energy states. In optics, interacting resonant
cavities show a transmission spectrum with split eigenfrequencies, similar to the split energy …

Dual-comb spectroscopy is a powerful technique for real-time, broadband optical sampling
of molecular spectra, which requires no moving components. Recent developments with …