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Proceedings Paper

Robust single-mode operation in 50 µm Ytterbium doped leakage channel fibers
Author(s): Liang Dong; Xiang Peng; Jun Li
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Paper 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.

Paper Details

Date Published: 22 February 2007
PDF: 8 pages
Proc. SPIE 6453, Fiber Lasers IV: Technology, Systems, and Applications, 645316 (22 February 2007); doi: 10.1117/12.706121
Show Author Affiliations
Liang Dong, IMRA America, Inc. (United States)
Xiang Peng, IMRA America, Inc. (United States)
Jun Li, IMRA America, Inc. (United States)

Published in SPIE Proceedings Vol. 6453:
Fiber Lasers IV: Technology, Systems, and Applications
Donald J. Harter; Andreas Tünnermann; Jes Broeng; Clifford Headley III, Editor(s)

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