High-Power Single-Mode Fiber Coupling of a Laterally Tapered Single-Frequency Diode Laser

被引：11
|
作者：
Jedrzejczyk, Daniel [1 ]
Asbahr, Patrick [1 ,2 ]
Pulka, Markus [2 ]
Eppich, Bernd [1 ]
Paschke, Katrin [1 ]
机构：
[1] Leibniz Inst Hochstfrequenztech, Ferdinand Braun Inst, D-12489 Berlin, Germany
[2] FCC FibreCableConnect GmbH, D-12489 Berlin, Germany
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2014年 / 26卷 / 08期
关键词：
Distributed Bragg reflector (DBR) lasers; fiber coupling; single-mode fibers (SMFs); tapered diode lasers;
D O I：
10.1109/LPT.2014.2309177
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：
In this letter, we investigate experimentally single-mode fiber (SMF) coupling of a nondiffraction limited, astigmatic beam generated by a near-infrared distributed Bragg reflector tapered diode laser at high output powers. In particular, a systematic study of the coupling efficiency as well as spectral and spatial laser beam characteristics behind the SMF is carried out in dependence on the properties of the collimated beams in front of the SMF, which are generated at given operating points of the diode laser. A stigmatic, nearly Gaussian laser beam is obtained behind the SMF independent on the diode laser operating point and the input optical power. A maximum power of 3.5 W ex fiber at a power coupling efficiency of 65% is reached.
引用
收藏
页码：845 / 847
页数：3
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