Effects of Yb:Er-codoping on suppressing self-pulsing in Er-doped fiber lasers |
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| Authors: | Ming Ding P.K. Cheo |
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| Affiliation: | Dept. of Electr. & Syst. Eng., Connecticut Univ., Storrs, CT, USA; |
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| Abstract: | The effective pump rate for Er-doped fibers by using Yb codoping is analyzed. We show that the level of the pump power required to suppress the ion-pair induced self-pulsing in Er-doped fiber lasers can be significantly decreased by using Yb:Er-codoped fibers due to the increased effective pump rate. Our results show the potentiality of developing stable single-frequency or high-repetition-rate mode-locked fiber lasers by using high-gain Yb:Er-codoped fibers with laser diodes as pump sources. |
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