The term whispering gallery mode (WGM) was first introduced to describe the curvilinear
propagation of sound waves under a cathedral dome. The physical concept has now been …

Distributed quantum networks will allow users to perform tasks and to interact in ways which
are not possible with present-day technology. Their implementation is a key challenge for …

We demonstrate the emergence of nonreciprocal superradiant phase transitions and novel
multicriticality in a cavity quantum electrodynamics system, where a two-level atom interacts …

The prospect of quantum networks, in which quantum information is carried by single
photons in photonic circuits, has long been the driving force behind the effort to achieve all …

Realizing precise control over multiquanta emission is crucial for quantum information
processing, especially when integrated with advanced techniques of manipulating quantum …

Light is often described as a fully transverse-polarized wave, ie, with an electric field vector
that is orthogonal to the direction of propagation. However, light confined in dielectric …

We report on fabrication of high-Q lithium niobate (LN) whispering-gallery-mode (WGM)
microresonators suspended on silica pedestals by femtosecond laser direct writing followed …

We investigate quantum control of a single atom in a tightly focused optical tweezer trap. We
show that inevitable spatially varying polarization gives rise to significant internal-state …

A promising approach to merge atomic systems with scalable photonics has emerged
recently, which consists of trap** cold atoms near tapered nanofibers. Here, we describe a …

We demonstrate highly efficient switching of optical signals between two optical fibers
controlled by a single atom. The key element of our experiment is a whispering-gallery …