Signal Non-Linearities And Their Effect Upon The Data Recovery Process In High-Density Optical Storage

概要

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To predict the performance of optical read channels readout waveforms generated using linear superposition techniques are often used. The readout waveform is, however, often degraded by non-linear components particularly at high storage densities. In this paper the origins of such non-linearities arc explained and their effects on read channel performance investigated. It is found that channel bit error rate can be properly optimised only if the signal non-linearity is taken into account.
2002-10-01