| 摘要 |
The present invention discloses a pumping source connecting device of Er-doped fiber amplifier, comprising two pumping light source. Before inputting to Er-doped fiber amplifier, pumping light sources are coupled by coupler, so that the output light of pumping light source is redistributed at output of coupler. All pumping light source are integrated. Adjusting power of one of pumping light source will influence gain of all or more piece of Er-doped fiber at fixed proportion, this can not generate or reduce harmful influention to flatness of output gain curve, reducing difficulty of controlling flatness.
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