Gain-shifted TDFA employing high concentration doping techniquewith high internal power conversion efficiency of 70% |
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| Authors: | Aozasa S. Masuda H. Sakamoto I. Shikano K. Shimizu M. |
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| Affiliation: | NTT Photonics Labs., NTT Corp., Ibaraki; |
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| Abstract: | The amplification characteristics of a high Tm3+ concentration gain-shifted Tm-doped fluoride fibre amplifier (GS-TDFA) have been determined with a high input signal power. This GS-TDFA achieved the highest reported internal power conversion efficiency of 70% with a double pass configuration |
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