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Efficient Amplification at 1.3 μm in a Pr3+-doped Ga-Na-S Fiber

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A Pr3+-doped Ga-Na-S (GNS) chalcogenide glass fiber, of which transmission loss is 1.2 dB/m at 1.31 μm, has been fabricated and a large gain coefficient of 0.81 dB/mW has been achieved.

© 1997 Optical Society of America

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