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Optically Powered Communication System With Distributed Amplifiers

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5 Author(s)
Xing Xu ; Dept. of Electr. & Electron. Eng., Univ. of Hong Kong, Kowloon, China ; Sigang Yang ; Chi Zhang ; Yuk, T.I.
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An optically powered communication system with distributed amplification is demonstrated using either distributed parametric amplification (DPA) or distributed Raman amplification (DRA) within the dispersion-shifted fiber (DSF) and single-mode fiber (SMF). At the fiber output the residual pump after the distributed amplification is recycled to power the receiver component. Our scheme is also a potential candidate for the `last mile' transmission. Based on our scheme, 4 channels of 10 Gb/s WDM signals are used to obtain practical performance evaluation. In the presence of 10-dB gain for signals, the power penalties of 1.35 -dB at the BER of 10-9 are achieved for DPA in DSF, and as the comparing counterpart of DPA, counter-pumping DRA induce approximately the same level of power penalty (1.55-dB) in DSF and 1.96 -dB in SMF. Co-pumping DRA are also tested in both kind of fibers. Finally, the energy-efficiency issue for different pumping schemes is analyzed.

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Lightwave Technology, Journal of  (Volume:28 ,  Issue: 21 )