Optical microcombs represent a new paradigm for generating laser frequency combs based
on compact chip-scale devices, which have underpinned many modern technological …

The commercial success of radio-frequency acoustic filters in wireless communication
systems has launched aluminum nitride (AlN) as one of the most widely used …

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

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 …

Plasmonic nanostructures hold promise for the realization of ultra-thin sub-wavelength
devices, reducing power operating thresholds and enabling nonlinear optical functionality in …

Integrated photonics enables signal synthesis, modulation and conversion using photonic
integrated circuits (PICs). Many materials have been developed, among which silicon nitride …

Many breakthroughs in technologies are closely associated with the deep understanding
and development of new material platforms. As the main material used in microelectronics …

By generating a Brillouin laser in an optical microresonator, we realize a soliton Kerr
microcomb through exciting the Kerr frequency comb using the generated Brillouin laser in …

Recent advancements in integrated soliton microcombs open the route to a wide range of
chip-based communication, sensing, and metrology applications. The technology translation …

Soliton microcombs constitute chip-scale optical frequency combs, and have the potential to
impact a myriad of applications from frequency synthesis and telecommunications to …