Working Paper Article Version 1 This version is not peer-reviewed

Phase Dislocations in Hollow Core Waveguides

Version 1 : Received: 3 September 2021 / Approved: 14 September 2021 / Online: 14 September 2021 (11:44:42 CEST)

How to cite: Pryamikov, A. Phase Dislocations in Hollow Core Waveguides. Preprints 2021, 2021090238 Pryamikov, A. Phase Dislocations in Hollow Core Waveguides. Preprints 2021, 2021090238

Abstract

This paper discusses the basic concepts of phase dislocations and vortex formation in the electric fields of fundamental air core mode of hollow core waveguides with specific types of rotational symmetry of the core – cladding boundary. Analysis of the behavior of the electric field phase in the transmission bands shows that the mechanism of light localization in the hollow core waveguides with discrete rotational symmetry of the core – cladding boundary cannot be completely described by the ARROW model. For an accurate description of the phase behavior, it is necessary to account for phase jumps of the magnitude of π when passing through the phase dislocations.

Keywords

micro – structured optical fibers; hollow core waveguides; optical vortices; Poynting vector; phase dislocations.

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