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

Integrated nonlinear photonics provides transformative capabilities for controlling,
enhancing and manipulating material nonlinearities in miniaturized on-chip platforms. The …

Integrated femtosecond pulse and frequency comb sources are critical components for a
wide range of applications, including optical atomic clocks, microwave photonics …

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

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 …

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 …

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 have a wide range of applications in science and technology. An
important development for miniature and integrated comb systems is the formation of …

Optical neural networks (ONNs), or optical neuromorphic hardware accelerators, have the
potential to dramatically enhance the computing power and energy efficiency of mainstream …

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