Multiorder nonlinear diffraction in frequency doubling processes Saltiel, Solomon M. ; Neshev, Dragomir N. ; Krolikowski, Wieslaw ; Arie, Ady ; Bang, Ole ; Kivshar, Yuri S. Abstract Publication: Optics Letters Pub Date: March 2009 DOI: 10.1364/OL.34.000848 Bibcode: 2009OptL...34..848S