Optical microfiber coupler for broadband single-mode operation

被引：106

作者：

Jung, Yongmin ^{[1
]}

Brambilla, Gilberto ^{[1
]}

Richardson, David J. ^{[1
]}

机构：

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

来源：

OPTICS EXPRESS | 2009年 / 17卷 / 07期

基金：

英国工程与自然科学研究理事会;

关键词：

SUBWAVELENGTH-DIAMETER SILICA; FABRICATION; NANOWIRES; TAPER;

D O I：

10.1364/OE.17.005273

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present a broadband single-mode bi-conical microfiber coupler (MFC) with a specifically designed transition region that effectively suppresses any higher-order modes present at the input fiber and provides efficient power splitting into the fundamental mode at the two output ports. As a practical example, single-mode 3-dB splitting operation over a broad spectral window (400 similar to 1700 nm) was demonstrated for a very thin taper waist (similar to 1.5 mu m) MFC made from conventional telecom optical fibers. (C) 2009 Optical Society of America

引用

页码：5273 / 5278

页数：6

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