Here we probe the ultimate nonlocal limit of “threshold-free” Cherenkov radiation in hyperbolic metamaterials. The nonlocality, induced by the spatial dispersion from the inhomogeneous structure and the electron screening, determines a nonzero Cherenkov threshold.

© 2019 The Author(s)

PDF Article


You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
Login to access OSA Member Subscription