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Cited by 162

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Measurement of the Decay of Fock States in a Superconducting Quantum Circuit

Open access
Wang, H., Hofheinz, M., Ansmann, M., Bialczak, R. C., Lucero, E., Neeley, M., O’Connell, A. D., Sank, D., Wenner, J., Cleland, A. N., Martinis, John M.·2008·Physical Review Letters

Abstract

We demonstrate the controlled generation of Fock states with up to 15 photons in a microwave coplanar waveguide resonator coupled to a superconducting phase qubit. The subsequent decay of the Fock states, due to dissipation, is then monitored by varying the time delay between preparing the state and performing a number-state analysis. We find that the decay dynamics can be described by a master equation where the lifetime of the n-photon Fock state scales as 1/n, in agreement with theory. We have also generated a coherent state in the microwave resonator, and monitored its decay process. We demonstrate that the coherent state maintains a Poisson distribution as it decays, with an average photon number that decreases with the same characteristic decay time as the one-photon Fock state.

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Metadata

Authors
Wang, H., Hofheinz, M., Ansmann, M., Bialczak, R. C., Lucero, E., Neeley, M., O’Connell, A. D., Sank, D., Wenner, J., Cleland, A. N., & Martinis, J. M.
Venue
Physical Review Letters
Published
2008-12-08
Volume
101
Issue
24
Pages
240401-240401
ISSN
  • 0031-9007 (ISSN-L)
  • 1079-7114
OpenAlex
W1972230226
Cited by
162
References
1
FWCI
22.79
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Measurement of the Decay of Fock States in a Superconducting Quantum Circuit. https://app.cochat.ai/papers/10.1103/physrevlett.101.240401
The paper
Wang, H., Hofheinz, M., Ansmann, M., Bialczak, R. C., Lucero, E., Neeley, M., O’Connell, A. D., Sank, D., Wenner, J., Cleland, A. N., & Martinis, J. M. (2008). Measurement of the Decay of Fock States in a Superconducting Quantum Circuit. Physical Review Letters. https://doi.org/10.1103/physrevlett.101.240401

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.