Wave-field vector singularities in a low-mode optical fiber

Tatyana A. Fadeyeva; Alexander V. Volyar

doi:10.1117/12.317697

3 August 1998 Wave-field vector singularities in a low-mode optical fiber

Tatyana A. Fadeyeva, Alexander V. Volyar

Proceedings Volume 3487, International Conference on Singular Optics; (1998) https://doi.org/10.1117/12.317697
Event: International Conference on Singular Optics, 1997, Partenit, Crimea, Ukraine

Abstract

As a rule, the low-mode optical fiber is excited by a linear polarized Gaussian beam. In this case a fundamental HE₁₁ mode and LP₁₁ field combination are propagated through the fiber. The complete field of free space is usually characterized by phase singularities. But in an optical fiber, the fields have complete polarizing structure. In this paper, vector singularities -- dislocations and disinclinations are studied. It is shown that a row edge dislocation of the LP₁₁ mode is splitted into two circular polarized C⁺ and C^- disclinations twisting in the opposite direction and two fixed linear polarizing disclination. The very birth and death events of these dislocations and disclinations determine the light propagation processes along the linearly polarized exciting low-mode fibers.

Citation Download Citation

Tatyana A. Fadeyeva and Alexander V. Volyar "Wave-field vector singularities in a low-mode optical fiber", Proc. SPIE 3487, International Conference on Singular Optics, (3 August 1998); https://doi.org/10.1117/12.317697

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