Removing the Directional Degeneracy of LP11 Mode in a Fused-Type Mode Selective Coupler

被引：20

作者：

Ismaeel, Rand ^{[1
]}

Brambilla, Gilberto ^{[1
]}

机构：

[1] Univ Southampton, Optoelect Res Ctr, Southampton SO17 1BJ, Hants, England

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 2016年 / 34卷 / 04期

基金：

英国工程与自然科学研究理事会;

关键词：

Couplers; microfibers; modal coupler; polarization maintaining; PHOTONIC LANTERNS; FIBER COUPLERS; MULTIMODE;

D O I：

10.1109/JLT.2016.2520209

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：

The removal of polarization and modal degeneracy in the excitation of higher order modes is realized in all-fiber mode-selective weakly fused couplers by controlling the coupler geometry. Experiments carried out with short couplers showed strong polarization dependence, while long couplers with a slow varying cross section have shown to remove polarization and spatial degeneracy in the first high-order mode.

引用

收藏

页码：1242 / 1246

页数：5

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