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Several terabytes of data get generated and transferred through the Internet everyday. With bandwidth-intensive on-line applications such as video, music, and voice the demand for higher data rate increases. The ever-increasing data rate demand will be supported by multilevel signaling over fiber-optic links in the backplane. Traditional coherent optical links use the power hungry ADC+DSP approach...
Coherent techniques are expected to be used to meet the demand for higher data rates in short-reach optical links in the near future. Digital coherent receivers used for long haul applications are not suitable for short-reach links because of excessive power dissipation, size, and cost. The power consumption, size, and cost of the receiver can be drastically reduced by processing signals in the analog...
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