Affiliation:
1. Hangzhou Institute for Advanced Study
Abstract
The spectral bandwidth of Er-doped fibers limits their lasing wavelength at longer wave band. Here, to the best of our knowledge, we report a broad emission band (1420‒1680 nm) of Er3+ and demonstrate for the first time an Er-phosphate fiber, which supports laser oscillation at the extended wavelengths of 1627 nm and 1630 nm, with the output powers and slope efficiencies of 44 mW/12.5% and 16.5 mW/5.6%, respectively, pumped at 1480 nm. To the best of our knowledge, these are the highest output powers and slope efficiencies at 1627 nm and 1630 nm from an Er3+-doped all-fiber configuration.
Funder
Key Programs of the Chinese Academy of Sciences
National Natural Science Foundation of China
Shanghai Sailing Program
National Key Research and Development Program of China
Subject
Atomic and Molecular Physics, and Optics
Cited by
3 articles.
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