Rydberg physics and mid-circuit measurement with atomic tweezer arrays in an optical cavity

Optical tweezer arrays of ultracold atoms have revolutionized atomic physics and quantum science research over the past decade, with Rydberg-state-mediated entanglement making them a leading platform for quantum information processing and analog quantum simulation. Interfacing these systems with high-finesse optical cavities could enable significant advances, including the ability to perform fast, nondestructive qubit readout; the development of optical interconnects for quantum networking and distributed quantum computing; and the introduction of strong, collective atomic interactions with a single optical mode. Here, we report on progress towards these goals with a rubidium atom array strongly coupled to a macroscopic optical cavity. We describe our work controlling electric fields in the optical cavity in order to coherently excite Rydberg atoms and detect their state with cavity-mediated readout. We also describe fast, sequential mid-circuit measurement of hyperfine qubit states in chains of atoms via cavity fluorescence.