Cavity quantum electrodynamics with separate photon storage and qubit readout modes

P. Leek, M. Baur, J.M. Fink, R. Bianchetti, L. Steffen, S. Filipp, A. Wallraff, Physical Review Letters 104 (2010).

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Abstract
We present the realization of a cavity quantum electrodynamics setup in which photons of strongly different lifetimes are engineered in different harmonic modes of the same cavity. We achieve this in a superconducting transmission line resonator with superconducting qubits coupled to the different modes. One cavity mode is strongly coupled to a detection line for qubit state readout, while a second long lifetime mode is used for photon storage and coherent quantum operations. We demonstrate sideband-based measurement of photon coherence, generation of n photon Fock states and the scaling of the sideband Rabi frequency with √n using a scheme that may be extended to realize sideband-based two-qubit logic gates.
Publishing Year
Date Published
2010-03-10
Journal Title
Physical Review Letters
Acknowledgement
This work was supported financially by the Swiss National Science Foundation, by the EC via the EuroSQIP project and by ETH Zurich
Volume
104
Issue
10
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Leek P, Baur M, Fink JM, et al. Cavity quantum electrodynamics with separate photon storage and qubit readout modes. Physical Review Letters. 2010;104(10). doi:10.1103/PhysRevLett.104.100504
Leek, P., Baur, M., Fink, J. M., Bianchetti, R., Steffen, L., Filipp, S., & Wallraff, A. (2010). Cavity quantum electrodynamics with separate photon storage and qubit readout modes. Physical Review Letters, 104(10). https://doi.org/10.1103/PhysRevLett.104.100504
Leek, Peter, Matthias Baur, Johannes M Fink, R Bianchetti, L. Steffen, Stefan Filipp, and Andreas Wallraff. “Cavity Quantum Electrodynamics with Separate Photon Storage and Qubit Readout Modes.” Physical Review Letters 104, no. 10 (2010). https://doi.org/10.1103/PhysRevLett.104.100504.
P. Leek et al., “Cavity quantum electrodynamics with separate photon storage and qubit readout modes,” Physical Review Letters, vol. 104, no. 10, 2010.
Leek P, Baur M, Fink JM, Bianchetti R, Steffen L, Filipp S, Wallraff A. 2010. Cavity quantum electrodynamics with separate photon storage and qubit readout modes. Physical Review Letters. 104(10).
Leek, Peter, et al. “Cavity Quantum Electrodynamics with Separate Photon Storage and Qubit Readout Modes.” Physical Review Letters, vol. 104, no. 10, American Physical Society, 2010, doi:10.1103/PhysRevLett.104.100504.

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