Hybrid quantum systems
Controlling the interaction between quantum bits and electromagnetic fields is a fundamental challenge underlying quantum information science. Ideally, the control allows storage, communication, and manipulation of the information at the level of single quanta. Unfortunately, no single degree of freedom satisfies all these criteria simultaneously. Instead, a hybrid approach may take advantage of each system’s most attractive properties. For example, optical photons provide a robust long-distance quantum bus, while microwave photons can be easily manipulated using superconducting qubits, and atoms can store quantum information for seconds or even minutes. In our group, we investigate various hybrid scenarios for applications in classical and quantum information processing and quantum simulation. Moreover, we exploit these hybrid approaches to probe and manipulate many-body quantum states, such as optical manipulation of electronic topological states.