Giant cross-Kerr effect for propagating microwaves induced by an artificial atom

Hoi, Io-Chun, Kockum, Anton F., Palomaki, Tauno, Stace, Thomas M., Fan, Bixuan, Tornberg, Lars, Sathyamoorthy, Sankar R., Johansson, Göran, Delsing, Per and Wilson, C. M. (2013) Giant cross-Kerr effect for propagating microwaves induced by an artificial atom. Physical Review Letters, 111 5: 053601.1-053601.5. doi:10.1103/PhysRevLett.111.053601

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Author Hoi, Io-Chun
Kockum, Anton F.
Palomaki, Tauno
Stace, Thomas M.
Fan, Bixuan
Tornberg, Lars
Sathyamoorthy, Sankar R.
Johansson, Göran
Delsing, Per
Wilson, C. M.
Title Giant cross-Kerr effect for propagating microwaves induced by an artificial atom
Journal name Physical Review Letters   Check publisher's open access policy
ISSN 0031-9007
Publication date 2013-08-02
Sub-type Article (original research)
DOI 10.1103/PhysRevLett.111.053601
Open Access Status File (Publisher version)
Volume 111
Issue 5
Start page 053601.1
End page 053601.5
Total pages 5
Place of publication College Park, MD, United States
Publisher American Physical Society
Collection year 2014
Language eng
Formatted abstract
We investigate the effective interaction between two microwave fields, mediated by a transmon-type superconducting artificial atom which is strongly coupled to a coplanar transmission line. The interaction between the fields and atom produces an effective cross–Kerr coupling. We demonstrate average cross–Kerr phase shifts of up to 20 degrees per photon with both coherent microwave fields at the single-photon level. Our results provide an important step toward quantum applications with propagating microwave photons.
Keyword Single-Photon
Quantum Computation
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Mathematics and Physics
Official 2014 Collection
School of Physical Sciences Publications
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Citation counts: TR Web of Science Citation Count  Cited 51 times in Thomson Reuters Web of Science Article | Citations
Scopus Citation Count Cited 45 times in Scopus Article | Citations
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Created: Sun, 08 Sep 2013, 00:18:11 EST by System User on behalf of Engineered Quantum Systems