Author Correction: Ultralow-loss polaritons in isotopically pure boron nitride

Author(s): Giles, Alexander J; Dai, Siyuan; Vurgaftman, Igor; Hoffman, Timothy; Liu, Song; Lindsay, Lucas; Ellis, Chase T; Assefa, Nathanael; Chatzakis, Ioannis; Reinecke, Thomas L; Tischler, Joseph G; Fogler, Michael M; Edgar, JH; Basov, DN; Caldwell, Joshua D | Abstract: An amendment to this paper has been published and can be accessed via a link at the top of the paper.