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Zoology and wildlife conservation

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Abstracts » Zoology and wildlife conservation

Resolving photon number states in a superconducting circuit

Article Abstract:

A circuit quantum electrodynamics (QED) experiment is described in the strong dispersive limit, which is a new regime where a single photon has a large effect on a superconducting quantum bit (qubit) without ever being absorbed. The results have shown that no photons are absorbed by this process and hence non-classical states of light can be generated by measuring and performing qubit-photon conditional logic, which is the basis of a logic bus for a quantum computer.

Author: Wallraff, A., Schoelkopf, R.J., Johnson, B., Schuster, D.I., Houck, A.A., Schreier, J.A., Gambetta, J.M., Blais, A., Frunzio, L., Majer, J., Devoret, M.H., Girvin, S.M.
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2007
United States, Analysis, Usage, Electric properties, Quantum electrodynamics, Structure

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Coupling superconducting qubits via a cavity bus

Article Abstract:

A quantum bus is used to couple two superconducting qubits on opposite sides of a chip by using microwave photons confined in a transmission line cavity. Fast control of the qubits is used for showing coherent transfer of quantum states between the qubits and the cavity is used to perform multiplexed control and measurement of the qubit states.

Author: Wallraff, A., Schoelkopf, R.J., Schuster, D.I., Houck, A.A., Schreier, J.A., Gambetta, J.M., Blais, A., Frunzio, L., Majer, J., Devoret, M.H., Girvin, S.M., Johnson, B.R., J.M. Chow, Koch, Jens
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2007
Quantum theory, Quantum mechanics, Microwaves, Superconducting quantum interference devices

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Generating single microwave photons in a circuit

Article Abstract:

The article presents an efficient on-chip, on-demand source of single microwave photons developed with characteristics that might make it suitable for processing quantum information in a circuit of superconducting qubits.

Author: Schoelkopf, R.J., Schuster, D.I., Houck, A.A., Schreier, J.A., Gambetta, J.M., Frunzio, L., Majer, J., Devoret, M.H., Girvin, S.M., Johnson, B.R., Chow, J.M.
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2007
Technology application, Quantum optics, Photon beams, Report

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Subjects list: Photons, Superconducting devices, Superconductive devices, Research
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