The lithium niobate on insulator devices confine the light field to submicron size in
monocrystalline lithium niobate, to achieve ultra-strong electro-optical interaction and …

Silicon, renowned for its applications in electronic circuits, also offers significant advantages
in the realm of integrated optics. While silicon does have inherent limitations in fabricating …

Nanophotonic chalcogenide waveguides (ChGs) fabricated from Ge 28 Sb 12 Se 60
(GeSbSe) glass were designed and fabricated for efficient supercontinuum (SC) generation …

Parametric frequency conversion based on second‐order nonlinearity (χ (2)) is critical in
many applications. The implementation of second‐order nonlinearity on integrated photonic …

How to simultaneously generate sum-frequency (SF) generation (SFG) and achieve spectral
broadening has always been a research focus in spectral measurement and optical …

Many key functionalities of optical frequency combs, such as self-referencing and broad
spectral access, rely on coherent supercontinuum generation (SCG). While nanophotonic …

Photonic devices based on ferroelectric domain engineering in thin film lithium niobate are
key components for both classical and quantum information processing. Periodic poling of …

Nonlinear photonics has unveiled new avenues for applications in metrology, spectroscopy,
and optical communications. Recently, there has been a surge of interest in integrated …

In spectroscopy, having access to a wide range of wavelengths within the mid-infrared
region is crucial for conducting thorough and versatile analyses. In our research, we …

Broadband frequency comb generation through cascaded quadratic nonlinearity remains
experimentally untapped in free-space cavities with bulk χ^(2) materials mainly due to the …