Peacock, Anna C., Mehta, Priyanth, Horak, Peter and Healy, Noel
Nonlinear pulse dynamics in multimode silicon core optical fibers
Optics Letters, 37, (16), . (doi:10.1364/OL.37.003351).
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Multimode propagation in silicon core optical fibers is investigated via numerical modeling of the coupled mode equations. The simulations consider spectral evolution in two fibers with different micrometer-sized cores that have experimentally been shown to exhibit nonlinear broadening. The results indicate that most of the coupled power is propagated in the fundamental mode of each fiber, with a small contribution from the higher-order modes affecting the spectral shape but not the width of the broadening.
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