Cavity nonlinear optics enables intriguing physical phenomena to occur at micro-or nano-
scales with modest input powers. While this enhances capabilities in applications such as …

Recent advance of lithium niobate microphotonic devices enables the exploration of
intriguing nonlinear optical effects. We show complex nonlinear oscillation dynamics in high …

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

Focus Serial: Frontiers of Nonlinear Optics Nonlinear photonic-crystal microresonators offer
unique fundamental ways of enhancing a variety of nonlinear optical processes. This …

Chip-based soliton frequency combs have been demonstrated on various material
platforms, offering broadband, mutually coherent, and equally spaced frequency lines …

Periodically poled lithium niobate (PPLN) microcavities with additional reciprocal vectors
attract attention as a platform for efficient parametric nonlinear optical processes with …

The nonlinear coupling between on-chip confined optical modes and free-space continuum
modes is investigated. The radiation of second-harmonic wave due to the pump fields in …

The recent advancement in lithium-niobite-on-insulator (LNOI) technology is opening up
new opportunities in optoelectronics, as devices with better performance, lower power …

Generation of nonlinear frequency combs in χ (3) optical microresonators has attracted
tremendous research interest during the last decade. Recently, realization of the microcomb …

Optical microcavity has proven its potential for unlabeled sensing. Here, we propose and
demonstrate in a lithium niobate on insulator microcavity an enhanced sensing approach …