Optical frequency combs offer an unrivalled degree of frequency measurement precision
that underpins the advance of modern technology in both fundamental science and …

Integrated quantum photonics uses classical integrated photonic technologies and devices
for quantum applications. As in classical photonics, chip-scale integration has become …

Microcombs have sparked a surge of applications over the past decade, ranging from optical
communications to metrology,,–. Despite their diverse deployment, most microcomb-based …

Driven by narrow-linewidth bench-top lasers, coherent optical systems spanning optical
communications, metrology and sensing provide unrivalled performance. To transfer these …

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 …

Optoelectronic memristors (OMs) have emerged as a promising optoelectronic
Neuromorphic computing paradigm, opening up new opportunities for neurosynaptic …

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 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 …

Microwave photonic technologies, which upshift the carrier into the optical domain, have
facilitated the generation and processing of ultra-wideband electronic signals at vastly …

Low-loss photonic integrated circuits and microresonators have enabled a wide range of
applications, such as narrow-linewidth lasers and chip-scale frequency combs. To translate …