A lensed GIO fiber with a long working distance for the coupling between laser diodes with elliptical fields and single-mode fibers

被引：17

作者：

Shiraishi, K ^{[1
]}

Yoda, H ^{[1
]}

Endo, T ^{[1
]}

Tomita, I ^{[1
]}

机构：

[1] Utsunomiya Univ, Fac Engn, Utsunomiya, Tochigi 3218585, Japan

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2004年 / 16卷 / 04期

关键词：

electromagnetic fields; optical fiber applications; optical fiber connecting; optical fiber devices; optical fibers; semiconductor lasers;

D O I：

10.1109/LPT.2004.824629

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 experimental performance of a new lensed fiber employing a graded-index oval-core fiber is presented for the first time. The new scheme has a long working distance and a high coupling efficiency compared with conventional wedge-shaped lensed fibers. Experiments show that the coupling loss between a laser diode, operating at a wavelength of 980 nm with a field profile aspect ratio of 5.9, and single-mode fiber is as low as 1.3 dB with the long working distance of 30 mum. Measured tolerance characteristics against lateral displacement and tilt are acceptable for practical active alignment.

引用

页码：1104 / 1106

页数：3

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