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

Many breakthroughs in technologies are closely associated with the deep understanding
and development of new material platforms. As the main material used in microelectronics …

Frequency conversion of dissipative solitons associated with the generation of broadband
optical frequency combs having a tooth spacing of hundreds of giga-hertz is a topical …

Abstract Second-order (χ (2)) optical nonlinearity is one of the most common mechanisms for
modulating and generating coherent light in photonic devices. Due to strong photon …

Transient thermal instability represents a significant challenge in generating soliton
microcombs. Fast laser sweep can be an efficient method to mitigate thermal instability, but it …

Numerical modeling of ultrashort pulse propagation is important for designing and
understanding the underlying dynamical processes in devices that take advantage of highly …

Optical frequency combs, which consist of precisely controlled spectral lines covering a wide
range, have played a crucial role in enabling numerous scientific advancements. Beyond …

Optical frequency combs (OFCs) covering multiple spectral windows are of great interest as
broadband coherent light sources. Pushing into high powers for traditional single OFCs as …

Mid-infrared (MIR) microcombs exhibit remarkable advantages for trace molecule detection,
facilitating fast and precise spectral analysis. However, due to limitations in tunability and …

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