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Performance of high-concentration Er/sup 3+/-doped phosphate fiber amplifiers

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10 Author(s)
Bor-Chyuan Hwang ; Opt. Sci. Center, Arizona Univ., Tucson, AZ, USA ; Shibin Jiang ; Tao Luo ; K. Seneschal
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The performances of high-concentration Er/sup 3+/-doped phosphate fiber amplifiers are reported. The amplifiers are characterized in terms of gain, noise figure, and signal saturation power in a co-propagating pump configuration. A net gain of 21 dB and a gain per unit length 3 dB/cm are achieved in a 71-mm Er/sup 3+/-doped phosphate fiber.

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IEEE Photonics Technology Letters  (Volume:13 ,  Issue: 3 )