Ribbon Fiber with Multiple Antiguided Phase-Locked Gain Cores.

Beach, R. J. ; Feit, M. D. ; Mitchell, S. C. ; Cutter, K. P. ; Dawson, J. W.

Technical Information Center Oak Ridge Tennessee

关键词: Lasers;    Fabrication;    Waveguides;    Refractive index;    Simulation;   

RP-ID  :  DE200415006884

学科分类：工程和技术（综合）

美国|英语

来源: National Technical Reports Library

【 摘 要 】

We report on the first experimental demonstration of a scalable fiber laser approach based on phase-locking multiple gain cores in an antiguided structure. A novel fabrication technology is used with soft glass components to construct the multiple core fiber used in our experiments. The waveguide region is rectangular in shape and comprised of a periodic sequence of gain and no-gain segments having nearly uniform refractive index. The rectangular waveguide is itself embedded in a lower refractive index cladding region. Experimental results confirm that our five-core Nd doped glass prototype structure runs predominantly in two spatial antiguided modes as predicted by our modeling.