Conversion of electrical and optical signals lies at the foundation of the global internet. Such
converters are used to extend the reach of long-haul fibre-optic communication systems and …

Microwaves have widespread use in classical communication technologies, from long-
distance broadcasts to short-distance signals within a computer chip. Like all forms of light …

Photons with optical frequencies of a few hundred terahertz are perhaps the only way to
distribute quantum information over long distances. Superconducting qubits, which are one …

Entangling microwave-frequency superconducting quantum processors through optical light
at ambient temperature would enable means of secure communication and distributed …

Modern computing and communication technologies such as supercomputers and the
Internet are based on optically connected networks of microwave-frequency information …

Electromagnetic signals are always composed of photons, although in the circuit domain
those signals are carried as voltages and currents on wires, and the discreteness of the …

Delivering on the revolutionary promise of a universal quantum computer will require
processors with millions of quantum bits (qubits),–. In superconducting quantum processors …

A variety of nanomechanical systems can now operate at the quantum limit,,,, making
quantum phenomena more accessible for applications and providing new opportunities for …

Optical quantum networks can connect distant quantum processors to enable secure
quantum communication and distributed quantum computing. Superconducting qubits are a …

As with classical information processing, a quantum information processor requires bits
(qubits) that can be independently addressed and read out, long-term memory elements to …