Research progress of Er silicate compound light source materials and devices for silicon photonics application
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摘要:针对一种新型的硅基发光材料铒镱/钇硅酸盐化合物开展了一系列基础研究。研究了铒硅酸盐,铒镱硅酸盐、铒钇硅酸盐高铒化合物材料的结构、光学和电学特性,通过优化铒镱/钇硅酸盐化合物材料的成分和结构,获得2个数量级的光致发光增强;制备出基于铒镱/钇硅酸盐薄膜材料的光波导放大器,观察到5 dB/cm以上的光放大;研制出金属-绝缘体-半导体结构电致发光器件,获得了铒镱/钇硅酸盐化合物的电致发光,并在理论上证明这种材料可以获得电泵浦 的可能性。Abstract:We carried out a series of basic research for a kind of Si based novel luminescent materials, Er-Yb/Y silicate compounds. We study the structure, optical and electrical properties of these high erbium compound materials including Er silicate, Er-Yb silicate and Er-Y silicate. Through the optimization of Er-Yb-Y composition and structure of Er-Yb/Y silicate compound material, 2 orders of magnitude enhancement of photoluminescence is obtained. We prepare optical waveguide amplifier based on Er-Yb/Y silicate thin films, and observe more than 5 dB/cm light amplification. We develop a metal-insulator-semiconductor structure of electroluminescent devices, and obtain Er-Yb/Y silicate compounds electroluminescence, and theoretically prove the possibility that this material can be electrically pumped laser.
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