Lasing characteristics of Er3+‐doped silica fibers from 1553 up to 1603 nm
作者:
Yasuo Kimura,
Masataka Nakazawa,
期刊:
Journal of Applied Physics
(AIP Available online 1988)
卷期:
Volume 64,
issue 2
页码: 516-520
ISSN:0021-8979
年代: 1988
DOI:10.1063/1.341990
出版商: AIP
数据来源: AIP
摘要:
The laser oscillations from 1553 up to 1603 nm have been demonstrated in Er3+‐doped silica fibers with a doping rate of 2500 ppm. Wide changes in laser oscillation wavelengths are due to broad splitting of the upper sublevels in the4I15/2manifold, caused by the random structure of the silica matrix. It has been shown that unpumped parts of the Er3+ions in the end pumped fiber laser configuration play an important role in the wavelength changes of the laser oscillation. For an absorbed pump power of 320 mW at 514 nm, output power of 0.5 mW was obtained at 1603 nm.
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