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4 January 2008 MMI power splitters based on the annealed proton exchange (APE) technology
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The MMI optical power splitters which are based on the self-imaging effect (SIE) have been analyzed in the paper, and 1×4 MMI power splitter is designed. The designed device is simulated and optimized by Beamprop software, the simulation results are basically agreement with the designed effect, the excess loss induced by multimode interference is less than 0.04dB, uniformity is about 0.01dB.The low loss and fine uniformity MMI power splitter has been made by Lithium Niobate annealed proton exchange technology, and the experiment sample measurement results are achieved.
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Jianmin Cui, Wenjuan Chang, Lihui Feng, Fang Cui, and Yunan Sun "MMI power splitters based on the annealed proton exchange (APE) technology", Proc. SPIE 6837, Information Optics and Photonics Technologies II, 68371A (4 January 2008);

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