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

Integrated photonics based on silicon has drawn a lot of interests, since it is able to provide
compact solution for functional devices, and its fabrication process is compatible with the …

We report a new class of optical parametric oscillators, based on a 20-μm-long
semiconductor photonic crystal cavity and operating at telecom wavelengths. Because the …

Optical parametric oscillation (OPO) is distinguished by its wavelength access, that is, the
ability to flexibly generate coherent light at wavelengths that are dramatically different from …

By-design access to laser wavelength, especially with integrated photonics, is critical to
advance quantum sensors, such as optical clocks and quantum-information systems, and …

Widely tunable coherent sources are desirable in nanophotonics for a multitude of
applications ranging from communications to sensing. The mid-infrared spectral region …

We present an approach for generating widely separated first sidebands based solely on the
four-wave-mixing process in optical parametric oscillators built on complementary metal …

The on-chip generation of coherent, single-frequency laser light that can be tuned across the
visible spectrum would help enable a variety of applications in spectroscopy, metrology, and …

Optical parametric oscillation in a Kerr nonlinear microresonator can generate coherent
laser light with frequencies that are widely separated from the pump frequency, allowing, for …

Whispering-gallery microcavities have been used to realize a variety of efficient parametric
nonlinear optical processes through the enhanced light–matter interaction brought about by …