Abstract
We propose adaptive algorithms for mitigating inter-symbol interference
(ISI) in multimode fiber (MMF) systems using a spatial light modulator
(SLM). Minimizing ISI in MMF systems using an SLM has previously been posed
as a convex optimization problem. Based on these results, we propose a range
of algorithms for adapting the SLM settings. Some of these are shown to
converge to the global optimum in the absence of noise. We then propose
modified versions of these algorithms to improve resilience to noise and
speed of convergence. Simulation results are included, showing that these
algorithms open an otherwise closed eye pattern.
© 2009 IEEE
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