Lithium niobate (LN), first synthesized 70 years ago, has been widely used in diverse
applications ranging from communications to quantum optics. These high-volume …

Lithium niobate (LN), an outstanding and versatile material, has influenced our daily life for
decades—from enabling high-speed optical communications that form the backbone of the …

The coupling of microwave and optical systems presents an immense challenge due to the
natural incompatibility of energies, but potential applications range from optical …

The rise of quantum information science has provided new perspectives on quantum
mechanics, as well as a common language for quantum engineering. The focus on platforms …

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

Quantum entanglement is a key resource in currently developed quantum technologies.
Sharing this fragile property between superconducting microwave circuits and optical or …

Photons at microwave and optical frequencies are principal carriers for quantum information.
While microwave photons can be effectively controlled at the local circuit level, optical …

Entanglement, an essential feature of quantum theory that allows for inseparable quantum
correlations to be shared between distant parties, is a crucial resource for quantum …

Quantum transduction, the process of converting quantum signals from one form of energy to
another, is an important area of quantum science and technology. The present perspective …

Conversion between signals in the microwave and optical domains is of great interest both
for classical telecommunication and for connecting future superconducting quantum …