In this letter, we propose a mean square error (MSE) strategy to control a planar lightwave circuit (PLC) optical equalizer. We show by simulation that MSE is a suitable criterion to exploit the PLC programmability for realizing an adaptive optical equalizer. When controlled through the MSE criterion, a PLC equalizer for chromatic dispersion compensation performs better than with other control strategies and turns out to be effective even with few component elements.
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Secondini et al. (2003) studied this question.
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