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 …

A key challenge for quantum science and technology is to realize large-scale, precisely
controllable, practical systems for non-classical secured communications, metrology and …

Optical quantum states based on entangled photons are essential for solving questions in
fundamental physics and are at the heart of quantum information science. Specifically, the …

Crystalline lithium niobate (LN) is an important optical material because of its broad
transmission window that spans from ultraviolet to mid-infrared and its large nonlinear and …

Complex optical photon states with entanglement shared among several modes are critical
to improving our fundamental understanding of quantum mechanics and have applications …

X-ray crystallography has been central to the development of many fields of science over the
past century. It has now matured to a point that as long as good-quality crystals are …

Interfacing a single photon with another quantum system is a key capability in modern
quantum information science. It allows quantum states of matter, such as spin states of …

Quantum light is characterized by distinctive statistical distributions that are possible only
because of quantum mechanical effects. For example, single photons and correlated photon …

The on-chip generation of large and complex optical quantum states will enable low-cost
and accessible advances for quantum technologies, such as secure communications and …

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 …