Circuit quantum electrodynamics
Alexandre Blais, Arne L. Grimsmo, S. M. Girvin, Andreas Wallraff
Abstract
This review surveys the development over the last 15 years of circuit quantum electrodynamics, the nonlinear quantum optics of microwave electrical circuits. In analogy to cavity quantum electrodynamics, lasers are replaced by rf signal generators, optical cavities by superconducting resonators, and atoms by superconducting qubits. Circuit QED offers enhanced light-matter coupling in which strong quantum optical nonlinearities are observable at the level of individual photons. This new parameter regime leads to unique capabilities for fundamental studies in quantum optics, nearly ideal quantum-limited measurements, and quantum computation.
Topics & Concepts
PhysicsCircuit quantum electrodynamicsQubitCavity quantum electrodynamicsSuperconducting quantum computingQuantum technologyQuantum decoherencePhotonJosephson effectQuantum informationQuantum computerQuantum mechanicsQuantumQuantum electrodynamicsOpen quantum systemSuperconductivityQuantum Information and CryptographyQuantum and electron transport phenomenaQuantum Mechanics and Applications