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|Title:||Characterization of annealed, proton-exchanged optical waveguides in ZnO:LiNbO3 crystal||Authors:||Hou, W.X.
|Issue Date:||20-Jul-1997||Citation:||Hou, W.X.,Chong, T.C. (1997-07-20). Characterization of annealed, proton-exchanged optical waveguides in ZnO:LiNbO3 crystal. Applied Optics 36 (21) : 5083-5088. ScholarBank@NUS Repository.||Abstract:||We report a systematic study of the annealing process in proton-exchanged ZnO:LiNbO3 optical waveguides. A z-cut multimode waveguide was subjected to annealing for different durations of time. A two-stage change in index profiles with annealing time was observed, which was consistent with the change in the m-line spectrum. A power-law relationship was established to correlate the optical parameters with annealing time. Annealed Li+ concentration in the waveguide was solved based on the thermal diffusion equation. An analytical function was used to model the annealed-index profile of single-mode, proton-exchanged waveguides. Good agreement between the theoretical analysis and the experimental result was obtained. © 1997 Optical Society of America.||Source Title:||Applied Optics||URI:||http://scholarbank.nus.edu.sg/handle/10635/80318||ISSN:||00036935|
|Appears in Collections:||Staff Publications|
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