C.-C. Hsu,C.-C. HsuL.-H. Peng,L.-H. PengJ. Ng,J. NgA. H. Kung,A. H. KungLUNG-HAN PENG2018-09-102018-09-102004-05http://scholars.lib.ntu.edu.tw/handle/123456789/310761Wide tuning and multi-wavelength SHG from 2D c(2) nonlinear photonic crystal of tetragonal lattice structureconference paper