Nanostructured surfaces with designed optical functionalities, such as metasurfaces, allow
efficient harvesting of light at the nanoscale, enhancing light–matter interactions for a wide …

Surface acoustic waves (SAWs) are a versatile tool for realizing coherent quantum interfaces
between various solid-state qubits spanning microwave to optical frequencies. Through …

Single-photon emitters in solid-state systems are important building blocks for scalable
quantum technologies. Recently, quantum light emitters have been discovered in the wide …

Integrated photonic circuits are key components for photonic quantum technologies and for
the implementation of chip-based quantum devices. Future applications demand flexible …

In circuit quantum acoustodynamics (cQAD), superconducting circuits are combined with
acoustic resonators to create and control nonclassical states of mechanical motion …

Quantum nonreciprocal devices have received extensive attention in recent years because
they can be used to realize unidirectional quantum routing and noise isolation. In this work …

Quantum technologies that rely on photonic qubits require a precise controllability of their
properties. For this purpose hybrid approaches are particularly attractive because they offer …

The probing of coherent lattice vibrations in solids has conventionally been carried out using
time-resolved transient optical spectroscopy, with which only the relative oscillation …

As quantum communication channels, single photons render an excellent platform, which is
why they are called flying qubits. They are easily transported over long distances via fibers …

For future quantum technologies, the combination of a long quantum state lifetime and an
efficient interface with an external optical excitation is required. In solids, the former is, for …