7+1 to 1 pump/signal combiner for air-clad fiber with 15 µm MFD PM single-mode signal feed-through

D. Noordegraaf; M. D. Maack; P. M. W. Skovgaard; S. Agger; T. T. Alkeskjold; J. Lægsgaard

doi:10.1117/12.841557

17 February 2010 7+1 to 1 pump/signal combiner for air-clad fiber with 15 µm MFD PM single-mode signal feed-through

D. Noordegraaf, M. D. Maack, P. M. W. Skovgaard, S. Agger, T. T. Alkeskjold, J. Lægsgaard

Proceedings Volume 7580, Fiber Lasers VII: Technology, Systems, and Applications; 75801A (2010) https://doi.org/10.1117/12.841557
Event: SPIE LASE, 2010, San Francisco, California, United States

Abstract

A 7+1 to 1 pump/signal combiner with single-mode (SM) polarization maintaining (PM) 15 μm mode-field-diameter (MFD) signal feed-through is demonstrated. The combiner is designed for pulse amplification in an active Yb-doped airclad fiber operated in backward pumped configuration. Signal coupling through the device is realized by a microstructured taper element allowing single-mode guidance and constant MFD at a taper ratio of 3.4.

Citation Download Citation

D. Noordegraaf, M. D. Maack, P. M. W. Skovgaard, S. Agger, T. T. Alkeskjold, and J. Lægsgaard "7+1 to 1 pump/signal combiner for air-clad fiber with 15 µm MFD PM single-mode signal feed-through", Proc. SPIE 7580, Fiber Lasers VII: Technology, Systems, and Applications, 75801A (17 February 2010); https://doi.org/10.1117/12.841557

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