Multimode interference devices with single-mode-multimode-multimode fiber structure

被引：11

作者：

Bhatia, Nitin ^{[1
]}

John, Joseph ^{[1
]}

机构：

[1] Indian Inst Technol, Dept Elect Engn, Bombay 400076, Maharashtra, India

来源：

APPLIED OPTICS | 2014年 / 53卷 / 23期

关键词：

OPTICAL-FIBER; SENSOR; SYSTEMS; FILTER;

D O I：

10.1364/AO.53.005179

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present a single-mode-multimode-multimode (SMm) fiber structure with a few interesting device applications. Unlike the single-mode-multimode-single-mode (SMS) structure, SMm has the unique feature of more than one mode in the output fiber. A detailed physical understanding of the transmission properties, and the differences from the SMS structure, is presented. The device can be used to excite selected modes in the output multimode fiber (MMF). This can be used to reduce the number of modes in high-speed MMF applications using an all-fiber structure instead of bulk optics. In yet another possible application, we show a way of designing sensitive refractive index sensors for measurement in different RI ranges. (C) 2014 Optical Society of America

引用

页码：5179 / 5186

页数：8

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