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

Integrated silicon photonics has sparked a significant ramp-up of investment in both
academia and industry as a scalable, power-efficient, and eco-friendly solution. At the heart …

Photonic integrated circuits are widely used in applications such as telecommunications and
data-centre interconnects,,,–. However, in optical systems such as microwave synthesizers …

Silicon photonics is advancing rapidly in performance and capability with multiple fabrication
facilities and foundries having advanced passive and active devices, including modulators …

Integrated photonics has profoundly affected a wide range of technologies underpinning
modern society,,–. The ability to fabricate a complete optical system on a chip offers …

Silicon photonics enables wafer-scale integration of optical functionalities on chip. Silicon-
based laser frequency combs can provide integrated sources of mutually coherent laser …

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

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 …

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 …

Silicon nitride (SiN) waveguides with ultra-low optical loss enable integrated photonic
applications including low noise, narrow linewidth lasers, chip-scale nonlinear photonics …