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High-power, low-noise praseodymium-doped fluoride-fiber amplifiers

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The construction of economical broadband optical-communication networks requires practical optical amplifiers with high output power and low noise at the zero-dispersion wavelength of the transmission fiber. Praseodymium-doped fluoride-fiber amplifiers (PDFAs) could be significant in improving the 1.3-µm optical transmission system, which is the most widely installed terrestrial system.1,2 In this paper we report on a high-power, low-noise PDFA with a cascade configuration and give its transmission characteristics.

© 1995 Optical Society of America

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