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Phys Rev Lett. 2010 Dec 31;105(26):263902. Epub 2010 Dec 22.

Highly noninstantaneous solitons in liquid-core photonic crystal fibers.

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  • 1CNR-ISC, Department of Physics, University La Sapienza, Rome, Italy.


The nonlinear propagation of pulses in liquid-filled photonic crystal fibers is considered. Because of the slow reorientational nonlinearity of some molecular liquids, the nonlinear modes propagating inside such structures can be approximated, for pulse durations much shorter than the molecular relaxation time, by temporally highly nonlocal solitons, analytical solutions of a linear Schrödinger equation. The physical relevance of these novel solitons is discussed.

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