Vacuum Bloch-Siegert shift in Landau polaritons with ultra-high cooperativity

Vacuum Bloch-Siegert shift in Landau polaritons with ultra-high cooperativity
Xinwei Li, Motoaki Bamba , Qi Zhang , Saeed Fallahi, Geoff C. Gardner, Weilu Gao, Minhan Lou, Katsumasa Yoshioka, Michael J. Manfra and Junichiro Kono .. Nature Photonics [PDF]