Abstract

We present Tm:Ho co-doped fibers with different thulium concentrations and Tm:Ho ratios for 2.1pm laser operation. Laser efficiency of 56% was achieved with 5.5wt% of thulium and 10:1 ratio of Tm:Ho when diode-pumped at 793nm.

© 2020 The Author(s)

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More Like This
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