Self-efficiency improvement and cooling in thulium-doped fibers

Cesar Jauregui; Fabian Stutzki; Jens Limpert; Andreas Tünnermann

doi:10.1117/12.2076405

4 March 2015 Self-efficiency improvement and cooling in thulium-doped fibers

Cesar Jauregui, Fabian Stutzki, Jens Limpert, Andreas Tünnermann

Proceedings Volume 9344, Fiber Lasers XII: Technology, Systems, and Applications; 93441Q (2015) https://doi.org/10.1117/12.2076405
Event: SPIE LASE, 2015, San Francisco, California, United States

Abstract

A way to increase the efficiency of Thulium-doped fiber systems and simultaneously prevent the generation of heat by pumping the excited state around 1460nm has been recently proposed by the authors. In this contribution we show that a Thulium-doped fiber amplifier can lase around 1460nm while simultaneously amplifying signals around ~2μm. Such an operation results in considerably higher amplification efficiencies and in lower operating temperatures without the need for an external pump around 1460nm.

Citation Download Citation

Cesar Jauregui, Fabian Stutzki, Jens Limpert, and Andreas Tünnermann "Self-efficiency improvement and cooling in thulium-doped fibers", Proc. SPIE 9344, Fiber Lasers XII: Technology, Systems, and Applications, 93441Q (4 March 2015); https://doi.org/10.1117/12.2076405

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