Konrad Lehnert

Electrical circuits and optical systems are both technology domains in which quantum information can be manipulated, stored, and transmitted. But there is presently no way to transmit quantum information between these domains, hindering the creation of a quantum network of superconducting quantum computers. We investigate the electro-optic transduction of quantum information to enable such a quantum network.

Several experiments searching for physics beyond the standard model now encounter quantum noise that limits their precision. We study ways to use quantum enhanced methods to circumvent these quantum limits.

Is sound a quantum phenomenon? Indeed, it’s now possible to prepare and detect single quantum units of sound. We explore the possibilities enabled by this new science of quantum acoustics.

Quantum computers are fundamentally digital machines, but their operation requires analog circuity that works in the quantum regime. We create and study innovative quantum electrical circuits.