Subwavelength gratings play a fundamental and pivotal role in numerous science and
applications for wave manipulation, exhibiting distinctive features such as filtering, phase …

Thin-film lithium niobate is an attractive integrated photonics platform due to its low optical
loss and favorable optical nonlinear and electro-optic properties. However, in applications …

Microresonators facilitate enhanced light-matter interactions within a limited space, showing
great promise for nonlinear optics. Here, we demonstrate a high-quality (Q) factor Fabry …

In nonlinear optics applications employing quasiphase matching, short-pitch domain
gratings are generally required for the efficient generation of visible and ultraviolet light …

Whispering-gallery-mode (WGM) microresonators can dramatically boost the interaction
between light and matter, making them an ideal platform for studying nonlinear optics …

Lithium niobate (LN), dubbed by many as the silicon of photonics, has recently risen to the
forefront of chip-scale nonlinear optics research since its demonstration as an ultralow-loss …

A convenient approach to fabricate area scalable two-dimensional photonic microstructures
was experimentally demonstrated by multi-face optical wedges. The approach is quite …

The whispering-gallery-mode microcavities are important in fundamental science and
practical applications, which also play an essential role in integrated photonic devices. Here …

Phase-matched nonlinear wave mixing, eg, second-harmonic generation (SHG), is crucial
for frequency conversion for integrated photonics and applications, where phase matching …

Chip-scale implementations of second-order nonlinear optics benefit from increased optical
confinement that can lead to nonlinear interaction strengths that are orders of magnitude …