Superconducting complementary metasurfaces for THz ultrastrong light-matter coupling
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Date
2014-03
Publication Type
Journal Article
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yes
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Abstract
A superconducting metasurface operating in the THz range and based on the complementary metamaterial approach is discussed. Experimental measurements as a function of temperature and magnetic field display a modulation of the metasurface with a change in transmission amplitude and frequency of the resonant features. Such a metasurface is successively used in a cavity quantum electrodynamic experiment displaying ultrastrong coupling to the cyclotron transition of two-dimensional electron gas. A finite element modeling is developed and its results are in good agreement with the experimental data. In this system a normalized coupling ratio of $\frac{\Omega }{{{\omega }_{c}}}=0.27$ is measured and a clear modulation of the polaritonic states as a function of the temperature is observed.
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published
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Journal / series
Volume
16
Pages / Article No.
33005
Publisher
IOP Publishing
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Subject
Metamaterial; Superconductor; THz; Ultrastrong; Cyclotron
Organisational unit
03759 - Faist, Jérôme / Faist, Jérôme