Design of photonic crystal fibers with anomalous dispersion

Abstract

Photonic crystal fibers (PCFs) with anomalous dispersion in short wavelength region are significant for some applications, such as short wavelength soliton propagation, super continuum generation and short pulse fiber lasing. In this paper, a systematic method for designing PCFs with required anomalous dispersion region is proposed by using a finite difference solver and the scaling transformation of the waveguide dispersion of PCFs. Designed PCF can be anomalously dispersive in the region less than 1.3 μm, which is very difficult to realize in the traditional standard single-mode fibers. The effectiveness of the proposed method is approved by numerical results.

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