Quantum metrology in the presence of dissipation with superconducting qubits.*

While quantum systems can offer significant advantages over classical systems in metrology, often the quantum states that confer such advantages are degraded by decoherence. I will discuss experiments that explore strategies to mitigate this degradation through continuous quantum measurement and feedback. Furthermore, dissipation also yields potential for further metrological advantages that are associated with exceptional point degeneracies in non-Hermitian systems. I will discuss how such degeneracies can be realized in single dissipative qubits and present investigations of enhanced measurement sensitivity in single quantum systems.