Photon shell game in three-resonator circuit quantum electrodynamics

Details Photon shell game in three-resonator circuit quantum electrodynamics Photon shell game in three-resonator circuit quantum electrodynamics

2010-11-13

arxiv.org/abs/1011.3080v3

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

18 pages, 10 figures, 1 table. DOI refers to published paper on Nature Physics, not to the pre-review version posted here

Scientific paper

10.1038/nphys1885

The generation and control of quantum states of light constitute fundamental tasks in cavity quantum electrodynamics (QED). The superconducting realization of cavity QED, circuit QED, enables on-chip microwave photonics, where superconducting qubits control and measure individual photon states. A long-standing issue in cavity QED is the coherent transfer of photons between two or more resonators. Here, we use circuit QED to implement a three-resonator architecture on a single chip, where the resonators are interconnected by two superconducting phase qubits. We use this circuit to shuffle one- and two-photon Fock states between the three resonators, and demonstrate qubit-mediated vacuum Rabi swaps between two resonators. This illustrates the potential for using multi-resonator circuits as photon quantum registries and for creating multipartite entanglement between delocalized bosonic modes.

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