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Opt Lett. 2003 Oct 15;28(20):1879-81.

Modal cutoff and the V parameter in photonic crystal fibers.

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1
Crystal Fibre A/S, Blokken 84, DK-3460 Birkerød, Denmark. nam@crystal-fibre.com

Abstract

We address the long-standing unresolved problem concerning the V parameter in a photonic crystal fiber. In formulating the parameter appropriate for a core defect in a periodic structure, we argue that the multimode cutoff occurs at a wavelength lambda* that satisfies VPCF(lambda*) = pi. By comparing this approach with numerics and recent cutoff calculations we confirm this result.

PMID:
14587762
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