OPTICAL BANDWIDTH AND FABRICATION TOLERANCES OF MULTIMODE INTERFERENCE COUPLERS

被引：261

作者：

BESSE, PA ^{[1
]}

BACHMANN, M ^{[1
]}

MELCHIOR, H ^{[1
]}

SOLDANO, LB ^{[1
]}

SMIT, MK ^{[1
]}

机构：

[1] DELFT UNIV TECHNOL,INTEGRATED OPT GRP,DELFT,NETHERLANDS

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 1994年 / 12卷 / 06期

关键词：

13;

D O I：

10.1109/50.296191

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Analytical expressions are derived which relate the optical bandwidth and the fabrication tolerances of multimode interference (MMI) couplers to their most important design parameters. These expressions compare adequately with mode analysis simulations. For strong guided structures, the optical bandwidth is shown to be inversely proportional to the number of input and output ports N and to the length of the device. The fabrication tolerances are independent of N and proportional to the output channel separation D. Measurements on MMI couplers in InP/InGaAsP corroborate the theoretical predictions.

引用

页码：1004 / 1009

页数：6

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