High average power supercontinuum generation in a fluoroindate fiber

被引：29
|
作者：
Swiderski, J. [1 ]
Theberge, F. [2 ]
Michalska, M. [1 ]
Mathieu, P. [2 ]
Vincent, D. [2 ]
机构：
[1] MUT, Inst Optoelect, PL-00908 Warsaw, Poland
[2] DRDC, Quebec City, PQ G3J 1X5, Canada
来源：
LASER PHYSICS LETTERS | 2014年 / 11卷 / 01期
关键词：
supercontinuum generation; fiber optical waveguides; pulse generators; fluoride fibers; MU-M; ZBLAN FIBER; SILICA;
D O I：
10.1088/1612-2011/11/1/015106
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report the first demonstration of Watt-level supercontinuum (SC) generation in a step-index fluoroindate (InF3) fiber pumped by a 1.55 mu m fiber master-oscillator power amplifier (MOPA) system. The SC is generated in two steps: first similar to 1 ns amplified laser diode pulses are broken up into soliton-like sub-pulses leading to initial spectrum extension and then launched into a fluoride fiber to obtain further spectral broadening. The pump MOPA system can operate at a changeable repetition frequency delivering up to 19.2 W of average power at 2 MHz. When the 8-m long InF3 fiber was pumped with 7.54 W at 420 kHz, output average SC power as high as 2.09 W with 27.8% of slope efficiency was recorded. The achieved SC spectrum spread from 1 to 3.05 mu m.
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页数：5
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