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Low-noise and high-power Pr/sup 3+/-doped fluoride fiber amplifier

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10 Author(s)
Yamada, M. ; NTT Opto-Electron. Labs., Ibaraki, Japan ; Shimizu, M. ; Kanamori, Terutoshi ; Ohishi, Y.
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We have successfully developed a low-noise and high-power Pr/sup 3+/-doped fluoride amplifier (PDFA) module with a cascade configuration. The maximum signal gain and noise figure were 40.6 dB and 5 dB, respectively. An output power of 20.1 dBm was achieved at an input signal power of 0 dBm. We confirm that this PDFA module performs well from experimental results on its use in a 40 channel AM-VSB video signal transmission and a 10 Gbit/s digital transmission.<>

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Photonics Technology Letters, IEEE  (Volume:7 ,  Issue: 8 )