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Cavity quantum electrodynamics for superconducting electrical circuits: An architecture for quantum computation
- A. Blais, Ren-Shou Huang, A. Wallraff, S. Girvin, R. Schoelkopf
- Physics
- 7 February 2004
We propose a realizable architecture using one-dimensional transmission line resonators to reach the strong-coupling limit of cavity quantum electrodynamics in superconducting electrical circuits.…
Strong coupling of a single photon to a superconducting qubit using circuit quantum electrodynamics
- A. Wallraff, D. Schuster, R. Schoelkopf
- PhysicsNature
- 9 September 2004
It is shown that the strong coupling regime can be attained in a solid-state system, and the concept of circuit quantum electrodynamics opens many new possibilities for studying the strong interaction of light and matter.
Coupling superconducting qubits via a cavity bus
- J. Majer, J. Chow, R. Schoelkopf
- PhysicsNature
- 13 September 2007
These experiments show that two nearby qubits can be readily coupled with local interactions, and show the implementation of a quantum bus, using microwave photons confined in a transmission line cavity, to couple two superconducting qubits on opposite sides of a chip.
Quantum information processing with circuit quantum electrodynamics
- A. Blais, J. Gambetta, R. Schoelkopf
- Physics
- 1 December 2006
We theoretically study single and two-qubit dynamics in the circuit QED architecture. We focus on the current experimental design [Wallraff et al., Nature (London) 431, 162 (2004); Schuster et al.,…
Resolving photon number states in a superconducting circuit
- D. Schuster, A. Houck, R. Schoelkopf
- PhysicsNature
- 30 August 2006
A circuit QED experiment is reported in the strong dispersive limit, a new regime where a single photon has a large effect on the qubit without ever being absorbed, the basis of a logic bus for a quantum computer.
Coplanar waveguide resonators for circuit quantum electrodynamics
- M. Goppl, A. Fragner, A. Wallraff
- Physics
- 25 July 2008
High quality on-chip microwave resonators have recently found prominent new applications in quantum optics and quantum information processing experiments with superconducting electronic circuits, a…
Dipole coupling of a double quantum dot to a microwave resonator.
- T. Frey, P. Leek, A. Wallraff
- PhysicsPhysical Review Letters
- 26 August 2011
We demonstrate the realization of a hybrid solid-state quantum device, in which a semiconductor double quantum dot is dipole coupled to the microwave field of a superconducting coplanar waveguide…
Qubit-photon interactions in a cavity: Measurement-induced dephasing and number splitting
- J. Gambetta, A. Blais, R. Schoelkopf
- Physics
- 13 February 2006
We theoretically study measurement-induced dephasing of a superconducting qubit in the circuit QED architecture and compare the results to those obtained experimentally by Schuster et al. [Phys. Rev.…
Superconducting Qubits: A Short Review
- M. Devoret, A. Wallraff, J. Martinis
- Physics
- 7 November 2004
Superconducting qubits are solid state electrical circuits fabricated using techniques borrowed from conventional integrated circuits. They are based on the Josephson tunnel junction, the only…
Implementation of a Toffoli gate with superconducting circuits
- A. Fedorov, L. Steffen, M. Baur, M. Silva, A. Wallraff
- PhysicsNature
- 19 August 2011
By exploiting the third energy level of the transmon qubits, the number of elementary gates needed for the implementation of the Toffoli gate is significantly reduced, relative to that required in theoretical proposals using only two-level systems.
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