對帶薄膜濾波器寬帶集成光波導放大器的結構進行了設計，并對單程、雙程與多程三種放大器結構加以比較，單程結構的特點是結構簡單、制作方便，不足之處是增益不高；雙程結構特點是器件的整體增益較高但制作不方便，將兩者優(yōu)點結合得到多程波導放大器結構，分析表明多程寬帶集成光波導放大器結構是一種較理想的結構。
關 鍵 詞 光波導放大器; 光波導結構; 寬帶; 增益平坦

Abstract The structure for broad-band integrated optical waveguide amplifier with thin-film filter is designed, and three structure, single path, round path and multi-path, are given, the advantage and shortcoming of different structures is compared, the advantage of single path structure is simple, shortcoming of which is lower total gain, whereas round path structure has higher gain, and fabrication of which is complex, multi-path structure is obtained with combination of the advantage of above two structures. It is shown that multi-path broad-band integrated optical amplifier structure is the best.
Key words optical waveguide amplifier; optical waveguide structure; broad-band; gain flattening