Hyperbolic Cooper-Pair Polaritons in Planar Graphene/Cuprate Plasmonic Cavities

Michael E. Berkowitz, Brian S.Y. Kim, Guangxin Ni, Alexander S. McLeod, Chiu Fan Bowen Lo, Zhiyuan Sun, Genda Gu, Kenji Watanabe, Takashi Taniguchi, Andrew J. Millis, James C. Hone, Michael M. Fogler, Richard D. Averitt, D. N. Basov