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 …

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 …

The recent demonstration of dissipative Kerr solitons in microresonators has opened a new
pathway for the generation of ultrashort pulses and low-noise frequency combs with …

The generation of dissipative Kerr solitons in optical microresonators has provided a route to
compact frequency combs of high repetition rate, which have already been employed for …

Millimetre-wave (mmWave) technology continues to draw great interest due to its broad
applications in wireless communications, radar, and spectroscopy. Compared to pure …

Spectral efficiency (SE) is one of the key metrics for optical communication networks. An
important building block for its maximization are optical superchannels, channels that are …

We present a novel method allowing high-power single-frequency emission with sub-kHz
linewidth from a compact multi-frequency diode laser locked to high-Q optical …

Optical frequency combs are lightwaves composed of a large number of equidistant spectral
lines. They are important for metrology, spectroscopy, communications and fundamental …

Nonlinear frequency conversion plays a crucial role in advancing the functionality of next-
generation optical systems. Portable metrology references and quantum networks will …