21 dBm erbium power amplifier pumped by a diode-pumped Nd:YAG laser

Efficient energy transfer has been demonstrated in an Er/Yb codoped 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 laser (DPL) operating...

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Bibliographic Details
Published in:IEEE photonics technology letters 1992-06, Vol.4 (6), p.553-555
Main Authors: 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., Townsend, J.E.
Format: Article
Language:English
Subjects:
Energy exchange
Erbium
Erbium-doped fiber amplifier
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Power amplifiers
Power generation
Semiconductor device reliability
Semiconductor diodes
Semiconductor laser arrays
Silicon compounds
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Summary:Efficient energy transfer has been demonstrated in an Er/Yb codoped 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 laser (DPL) operating at 1064 nm. Small signal gains of 42 dB and output powers of 71 mW (+18.5 dBm) have been observed with a single DPL. Bidirectional pumping with two DPLs has yielded an output power of 130 mW (+21 dBm).< >
ISSN:1041-1135
1941-0174
DOI:10.1109/68.141965