Abstract
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<sup>-9</sup> 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.
© 2010 IEEE
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