TITLE

Efficient Er3+-doped optical fiber amplifier pumped by a 1.48 μm InGaAsP laser diode

AUTHOR(S)
Nakazawa, Masataka; Kimura, Yasuo; Suzuki, Kazunori
PUB. DATE
January 1989
SOURCE
Applied Physics Letters;1/23/1989, Vol. 54 Issue 4, p295
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Optical gain characteristics of an Er3+ -doped silica fiber have been studied by end pumping with a 1.48 μm InGaAsP high-power laser diode. A gain as high as 12.5 dB was obtained for an absorbed pump power of 16 mW with a 3-m-long fiber. By constructing an Er3+ fiber ring cavity with a 3 dB single-mode fiber coupler, we have obtained continuous wave laser oscillation at a wavelength of 1.553 μm.
ACCESSION #
9829633

 

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