Nondiffracting beams in periodic media.
We identify nondiffracting beams in two-dimensional periodic systems, exhibiting symmetry properties and phase structure characteristic of the band(s) they are associated with.
Manela
Ofer
O
Department of Physics and Solid State Institute, Technion, Haifa 32000, Israel.
Segev
Mordechai
M
Christodoulides
Demetrios N
DN