We identify nondiffracting beams in two-dimensional periodic systems, exhibiting symmetry properties and phase structure characteristic of the band(s) they are associated with.
© 2005 Optical Society of America
Ofer Manela, Mordechai Segev, and Demetrios N. Christodoulides, "Nondiffracting beams in periodic media," Opt. Lett. 30, 2611-2613 (2005)