Semi-analytical approach to short-wavelength dispersion and modal properties of photonic crystal fibers

Abstract

We consider photonic crystal fibers made from arbitrary base materials and derive a unified semi-analytical approach for the dispersion and modal properties which applies to the short-wavelength regime. In particular we calculate the dispersion and the effective index and comparing to fully-vectorial plane wave simulations we find excellent agreement. We also calculate asymptotic results for the mode-field diameter and the V-parameter and from the latter we predict that the fibers are endlessly single mode for a normalized air-hole diameter smaller than 0.42, independently of the base material.

3 pages including 3 figures. Accepted for Opt. Lett

References in corpus (3)

• Modal cut-off and the V-parameter in photonic crystal fibers
• Mode-Field Radius of Photonic Crystal Fibers Expressed by the V-parameter
• A "poor man's approach" to modelling of micro-structured optical fibres

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