Simultaneous generation of second to fifth harmonic conical beams in a two dimensional nonlinear photonic crystal - Bausa Lopez, Luisa Eugenia; Mateos L; Mateos, Luis; Molina P; Molina, Pablo; Galisteo J; Galisteo, Juan; López C; Lopez, Cefe; Bausa, Luisa E; Ramirez, Mariola O (Optics Express, 2012)