Observation of conical diffraction in photonic Lieb lattices

Diebel F., Leykam D., Kroesen S., Denz C., Desyatnikov A.

Research article in edited proceedings (conference) | Peer reviewed

Abstract

We demonstrate conical diffraction in photonic Lieb lattices in fused silica glass. In contrast to Dirac fermions in photonic graphene here the conical intersections with flat band in lattice spectrum support eigenstates with integer pseudospin.

Details about the publication

PublisherOptica
StatusPublished
Release year2014
Language in which the publication is writtenEnglish
ConferenceNonlinear Photonics, Barcelona, Spain
ISBN978-1-55752-820-9

Authors from the University of Münster

Denz, Cornelia
Diebel, Falko
Kroesen, Sebastian