Large Mode Area Single Trench Fiber for 2 μm Operation

被引：29

作者：

Jain, Deepak ^{[1
,2
]}

Sahu, Jayanta K. ^{[1
]}

机构：

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

[2] Tech Univ Denmark, DTU Foton, DK-2800 Lyngby, Denmark

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 2016年 / 34卷 / 14期

基金：

英国工程与自然科学研究理事会;

关键词：

High power fiber lasers; large mode area fibers; modal-instability; non-linear effects; HIGH-POWER; OPTICAL-FIBER; LASER; INDEX; PERFORMANCE; AMPLIFIER; LOSSES;

D O I：

10.1109/JLT.2016.2569664

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：

Performance of single trench fibers has been investigated using finite-element method at 2 mu m wavelength. Numerical investigations show that an effective single mode operation for large effective area between 3000-4000 mu m(2) and 2000-3000 mu m(2) can be achieved at similar to 40 and similar to 25 cm bend radius, respectively, by exploiting high delocalization of the higher order modes. Achievement of a large effective-area can be very useful to address nonlinear effects. Moreover, single trench fiber offers certain advantages such as low-cost fabrication and easy postprocessing (such as cleaving and splicing) thanks to the all-solid fiber design.

引用

页码：3412 / 3417

页数：6

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