Abstract

A Bi2O3-based erbium-doped fiber (BIEDF) ring laser with a 134nm tunable range is demonstrated with only 0.2m of BIEDF as a gain media. The widely tunable range corresponds to the broad amplified spontaneous emission spectrum obtained from BIEDF. The pump power dependence and BIEDF length dependence of fiber laser properties are investigated. The tunable range varies depending on both pump power and BIEDF lengths. A high optical signal-to-noise ratio of over 70dB for a 120nm tunable range is also shown.

© 2008 Optical Society of America

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