BACKGROUND The generation and control of coherent electromagnetic waves, such as
those provided by electronic oscillators in the radio frequency domain or lasers in the optical …

The term whispering gallery mode (WGM) was first introduced to describe the curvilinear
propagation of sound waves under a cathedral dome. The physical concept has now been …

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 …

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 …

Laser-based range measurement systems are important in many application areas,
including autonomous vehicles, robotics, manufacturing, formation flying of satellites, and …

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

On-chip optical resonators have the promise of revolutionizing numerous fields, including
metrology and sensing; however, their optical losses have always lagged behind those of …

An overview of the most recent developments and improvements to the low-loss TriPleX Si 3
N 4 waveguide technology is presented in this paper. The TriPleX platform provides a suite …