We demonstrate supercontinuum generation over an octave spaning from 1055 to 2155 nm
on the highly nonlinear aluminum gallium arsenide (AlGaAs)-on-insulator platform. This is …

Continuously pumped passive nonlinear cavities can be harnessed for the creation of novel
optical frequency combs. While most research has focused on third-order “Kerr” nonlinear …

Efficient second harmonic generation in integrated platforms is usually achieved by resonant
structures, intermodal phase-matching or quasi-phase matching by periodically poling …

The realization of deterministic photon–photon gates is a central goal in optical quantum
computation and engineering. A longstanding challenge is that optical nonlinearities in …

Applied quantum optics stands to revolutionise many aspects of information technology,
provided performance can be maintained when scaled up. Silicon quantum photonics …

Planar π-conjugated groups that possess not only large hyperpolarizability but also optical
anisotropy are proved to be good functional motifs for optical materials with outstanding …

Spatiotemporal control of optical wavefronts is of great importance in numerous free-space
optical applications including imaging in 3D and through scattering media, remote sensing …

As devices utilizing femtosecond-duration laser pulses become more commonplace, there is
a need for next-generation nonlinear-photonics technologies that enable low-energy …

Silicon Photonics, the technology where optical devices are fabricated by the mainstream
microelectronic processing technology, was proposed almost 30 years ago. I joined this …

Ultraviolet (UV, λ< 400 nm) and deep-UV (λ< 200 nm) nonlinear optical (NLO) crystals have
the ability to convert the wavelength of laser to output UV or even deep-UV coherent light by …