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Vacuum Bloch-Siegert Shift in Landau Polaritons with Ultrahigh Cooperativity
Author(s) -
Xinwei Li,
Motoaki Bamba,
Qi Zhang,
Saeed Fallahi,
G. C. Gardner,
Weilu Gao,
Minhan Lou,
Katsumasa Yoshioka,
Michael J. Manfra,
Junichiro Kono
Publication year - 2018
Publication title -
conference on lasers and electro-optics
Language(s) - English
Resource type - Conference proceedings
DOI - 10.1364/cleo_qels.2018.ff2d.6
Subject(s) - polariton , condensed matter physics , physics , terahertz radiation , landau quantization , electron , magnetic field , cyclotron , field (mathematics) , spectroscopy , terahertz spectroscopy and technology , cyclotron resonance , quantum electrodynamics , quantum mechanics , mathematics , pure mathematics
Terahertz spectroscopy of Landau polaritons reveals a shift induced by the ultrastrong coupling of cyclotron-orbiting electrons with the counter-rotating component of the vacuum fluctuation field, evidencing the breakdown of the rotating wave approximation.

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