Koch Research Group

Superconducting quantum circuits rely on strong drives to implement fast gates, high-fidelity readout, and state stabili...

Superconducting microwave resonators are critical to quantum computing and sensing technologies. Additionally, they are ...

We introduce a multimode qubit, the protomon, encoded in a fluxonium molecule circuit (see image on the right). Such qub...

Superconducting cavities offer a hardware-efficient platform for quantum information processing. Controlling such bosoni...

The fluxonium qubit is a promising candidate for quantum computation due to its long coherence times and large anharmoni...

QFit, an interactive superconducting circuit device characterization software developed by Koch group, receives Notable ...

The inherent interactions between the qubits and their environment lead to decoherence, limiting the performance of thes...

Quantum information processing has spurred interest in quantum optimal control for tasks such as state preparation, erro...

Superconducting cavities offer a hardware-efficient platform for quantum information processing. Controlling such bosoni...

Decoherence errors, caused by the interaction of quantum systems with their environment, pose a major challenge for the ...