Apparatus for generating L-band light source using optical fiber, and optical amplifier
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United States of America Patent
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Dec 31, 2002
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N/A
app pub date -
Jan 24, 2000
filing date -
Jan 23, 1999
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Expired
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Abstract
The present invention provides an apparatus for generating L-band light source and an optical signal amplifier, specifically, relates to an apparatus for generating L-band light source by increasing amplification gain against an L-band light to execute a stable resonating operation, and to an optical amplifier which amplifies L-band light signal efficiently. That is, it is possible to use the output light of the first optical fiber amplifier 10 as a pumping light of the second optical fiber amplifier 20 by connecting the first optical fiber amplifier 10 for supplying a maximum amplification gain against an input light having a wavelength of 1530 nm to 1560 nm with the second optical fiber amplifier 20 for supplying a maximum amplification gain against an input light having a wavelength of 1570 nm to 1610 nm in series, thus securing a satisfied amplification gain against a L-band light and to generate a desirable light source.
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