Illas ZLee M.WKremer RChang K.-HBeghoul M.RLUNG-HAN PENGBoudrioua A.2023-06-092023-06-092017https://www.scopus.com/inward/record.uri?eid=2-s2.0-85039920196&partnerID=40&md5=8729681ff659373882bbbcffcbac27d4https://scholars.lib.ntu.edu.tw/handle/123456789/632403Lithium; Photonic crystals; Frequency conversions; Lithium tantalate; Nonlinear photonic crystals; Square lattices; Lithium tantalateSimultaneous frequency conversions in nonlinear photonic crystals of lithium tantalate with a square latticeconference paper2-s2.0-85039920196