High-and ultrahigh-Q whispering-gallery mode resonators have the capability to trap
photons by total internal reflection for a duration ranging from nanoseconds to milliseconds …

Optical whispering gallery modes (WGMs) derive their name from a famous acoustic
phenomenon of guiding a wave by a curved boundary observed nearly a century ago. This …

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

Chalcogenide glasses (ChGs) are technologically superior materials, and their properties
underpin the demands of whispering gallery mode–based integrated photonic devices. The …

Microelectromechanical system (MEMS) technology, and surface micromachining in
particular, have led to the development of miniaturized optical devices with a substantial …

Alloys of sulfur, selenium and tellurium, often referred to as chalcogenide semiconductors,
offer a highly versatile, compositionally-controllable material platform for a variety of passive …

By providing an effective way to leverage nonlinear phenomena in integrated devices, high-
Q optical resonators have led to recent advances in on-chip photonics. However, developing …

Multimode silicon resonators with ultralow propagation losses for ultrahigh quality (Q) factors
have been attracting attention recently. However, conventional multimode silicon resonators …

Low-loss waveguides constitute an important building block for integrated photonic systems.
In this work, we investigated low-loss photonic device fabrication in Ge_23Sb_7S_70 …

Wurtzite aluminum nitride (AlN) is known to exhibit six Raman-active optic phonons, making
it appealing for Raman lasing. Here, we demonstrate continuous-wave Raman lasers with a …