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4 April 2005 S-band optical amplification technologies for EDFAs
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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.
© (2005) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Etsuko Ishikawa and Masato Nishihara "S-band optical amplification technologies for EDFAs", Proc. SPIE 5723, Optical Components and Materials II, (4 April 2005); https://doi.org/10.1117/12.590660
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