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Proceedings Paper

S-band optical amplification technologies for EDFAs
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Paper Abstract

This paper reports a new approach of applying erbium-doped fiber to an S-band optical amplifier and comparing it with a gain-shifted thulium-doped fluoride fiber amplifier. S-band erbium-doped fiber amplifiers for WDM transmission systems have achieved gains of over 25 dB in wavelengths from 1489 to 1519 nm through the use of silica-based EDFs and ASE suppressing filters. We discuss the feasibility of introducing S-band EDFAs to improve the power conversion efficiencies and gain flatness.

Paper Details

Date Published: 4 April 2005
PDF: 10 pages
Proc. SPIE 5723, Optical Components and Materials II, (4 April 2005); doi: 10.1117/12.590660
Show Author Affiliations
Etsuko Ishikawa, Fujitsu Labs., Ltd. (Japan)
Masato Nishihara, Fujitsu Labs., Ltd. (Japan)


Published in SPIE Proceedings Vol. 5723:
Optical Components and Materials II
Shibin Jiang; Michel J.F. Digonnet, Editor(s)

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