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Title: Characterization of annealed, proton-exchanged optical waveguides in ZnO:LiNbO3 crystal
Authors: Hou, W.X.
Chong, T.C. 
Keywords: Annealing
Proton exchange
ZnO:LiNbO3 waveguide
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
ISSN: 00036935
Appears in Collections:Staff Publications

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