All-fiber bidirectional passively mode-locked ring laser

被引：141
|
作者：
Kieu, Khanh [1 ,2 ]
Mansuripur, Masud [1 ]
机构：
[1] Univ Arizona, Coll Opt Sci, Tucson, AZ 85721 USA
[2] Cornell Univ, Dept Appl Phys, Ithaca, NY 14853 USA
来源：
OPTICS LETTERS | 2008年 / 33卷 / 01期
关键词：
D O I：
10.1364/OL.33.000064
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report the design and operation of a novel all-fiber bidirectional passively mode-locked ring laser. An erbium-doped fiber was chosen as the active element in a ring cavity arrangement. A short segment of a fiber taper embedded in carbon nanotubes/polymer composite, acting as a saturable absorber, was used to enable bidirectional mode locking. The laser generates two stable femtosecond pulse trains in opposite directions. A beat note of about 2 MHz, having a bandwidth of less than 2 kHz, is measured when the pulses propagating in opposite directions are (temporally) overlapped at a photodetector. We believe this device will find important applications in precision rotation sensing. (c) 2007 Optical Society of America.
引用
收藏
页码：64 / 66
页数：3
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