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 …

Optical frequency combs have a wide range of applications in science and technology. An
important development for miniature and integrated comb systems is the formation of …

Optical frequency combs are broadband sources that offer mutually coherent, equidistant
spectral lines with unprecedented precision in frequency and timing for an array of …

The use of silicon nitride in integrated photonics has rapidly progressed in recent decades.
Ultra-low-loss waveguides based on silicon nitride are a favorable platform for the research …

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

Narrow linewidth lasers have many applications, such as higher order coherent
communications, optical sensing, and metrology. While semiconductor lasers are typically …

Narrow-linewidth lasers and optical frequency combs generated with mode-locked lasers
have revolutionized optical frequency metrology. The advent of soliton Kerr frequency …

Microwave photonics (MWP) is an emerging field in which radio frequency (RF) signals are
generated, distributed, processed and analyzed using the strength of photonic techniques. It …

Microwave photonics offers transformative capabilities for ultra-wideband electronic signal
processing and frequency synthesis with record-low phase noise levels. Despite the intrinsic …