The fabrication of few-mode Cr-doped double-clad crystalline fiber (FMCDCF) is demonstrated for the first time. The FMCDCF exhibited core diameter of 2 ± 0.6 μm and V-value of 3.77 to ensure the few-mode characteristics.
© 2011 OSA
(060.2280) Fiber optics and optical communications : Fiber design and fabrication
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(060.3510) Fiber optics and optical communications : Lasers, fiber
W. Wang, J. Wang, Y. Huang, H. Kuo, S. Huang, and W. Cheng, "Few-Mode Cr-Doped Double-Clad Crystalline Fibers," in Optical Fiber Communication Conference/National Fiber Optic Engineers Conference 2011, OSA Technical Digest (CD) (Optical Society of America, 2011), paper OWS2.