Robust single-mode operation in 50 µm Ytterbium doped leakage channel fibers

Liang Dong; Xiang Peng; Jun Li

doi:10.1117/12.706121

22 February 2007 Robust single-mode operation in 50&mgr;m ytterbium-doped leakage channel fibers

Liang Dong, Xiang Peng, Jun Li

Proceedings Volume 6453, Fiber Lasers IV: Technology, Systems, and Applications; 645316 (2007) https://doi.org/10.1117/12.706121
Event: Lasers and Applications in Science and Engineering, 2007, San Jose, California, United States

Abstract

Leakage channel fibers, where several air holes form a core, can be precisely engineered to create large leakage loss for higher order modes, while maintain negligible transmission loss for the fundamental mode. This unique property can be used for designing optical fibers with large effective mode area, which supports robust fundamental mode propagation. The large air holes in the design also enable the optical fibers to be bend-resistant. The principles of design and operation regime are outlined in this paper. Performance of an ytterbium-doped double clad leakage channel fiber and an ytterbium-doped polarization-maintaining (PM) double clad leakage channel fiber with ~50&mgr;m core diameter is also discussed.

Citation Download Citation

Liang Dong, Xiang Peng, and Jun Li "Robust single-mode operation in 50&mgr;m ytterbium-doped leakage channel fibers", Proc. SPIE 6453, Fiber Lasers IV: Technology, Systems, and Applications, 645316 (22 February 2007); https://doi.org/10.1117/12.706121

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