Generation of tunable blue–green light using ZnO periodically poled lithium niobate crystal fiber by self-cascaded second-order nonlinearity

Li-Min Lee, Shan-Chuang Pei, Der-Fong Lin, Po-Chun Chiu, Mon-Chang Tsai, Ta-Min Tai, De-Hao Sun, A. H. Kung, and Sheng-Lung Huang* Institute of Electro-Optical Engineering, National Sun Yat-Sen University, Kaohsiung 804, Taiwan Department of Electrical Engineering, Yung Ta Institute of Technology & Commerce, Pingtung 909, Taiwan Graduate Institute of Electro-Optical Engineering, National Taiwan University, Taipei 106, Taiwan Institute of Atomic and Molecular Sciences, Academia Sinica, Taipei 106, Taiwan Institute of Communications Engineering, National Sun Yat-Sen University, Kaohsiung 804, Taiwan Department of Photonics, National Chiao Tung University, Hsinchu 300, Taiwan Department of Electrical Engineering and Graduate Institute of Electro-Optical Engineering, National Taiwan University, Taipei 106, Taiwan *Corresponding author: [email protected]