Abstract
An all-fiberized broadband superfluorescent source based on a distributed side-coupled cladding-pumped Yb-doped fiber is demonstrated. A recorded 102 W combined output power is obtained with the angle-cleaved output ends. The bandwidth is larger than 10 nm. The power scalability of the superfluorescent source is analyzed numerically. It is found that, besides the optical feedback, the active fiber length is another key. The result shows that, by optimizing the active fiber length, it is promising to realize a 600 W superfluorescent source with this scheme.
© 2014 Optical Society of America
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