Wu B.-WChang K.-HOusaid S.MBoudrioua AYokoyama HLai C.-MLUNG-HAN PENG2021-09-022021-09-0220200277786Xhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85088584966&partnerID=40&md5=524b7fbf9fe56178825c7b562dd31530https://scholars.lib.ntu.edu.tw/handle/123456789/581052We report tri-wavelength 580, 590, and 600nm yellow-orange lasers based on PPLT nonlinear photonic crystals composed of double-slit OPOs and chirped SHG structures. It enables coherent interference of SHG with a green to yellow-orange conversion slope efficiency > 8% and an interference pattern with visibility of 0.61. ? 2020 SPIE. All rights reserved.Citrus fruits; Lighting; Photonic crystals; Coherent interference; Double slits; Interference patterns; Multi-wavelengths; Nonlinear photonic crystals; Slope efficiencies; Harmonic generationconference paper2-s2.0-85088584966