Grubb, S.G., Humer, W.F., Cannon, R.S., Windhorn, T.H., Vendetta, S.W., Sweeney, K.L., Leilabady, P.A., Barnes, W.L., Jedrzejewski, K.P. and Townsend, J.E.
+21dBm erbium power amplifier pumped by a diode-pumped Nd:YAG laser
IEEE Photonics Technology Letters, 4, (6), . (doi:10.1109/68.141965).
Efficient energy transfer has been demonstrated in an Er/Yb co-doped phosphorus doped silica fiber for the first time. This has indirectly allowed the use of reliable, high-power AlGaAs diode laser arrays as the semiconductor pump source through the use of a diode-pumped Nd:YAG (DPL) laser operating at 1064 nm. Small signal gains of 42 dB and output powers of 71 mW (+18.5 dBm) have heen observed with a single DPL. Bidirectional pumping with two DPLs has yielded an output power of 130 mW (+21 dBm).
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