Abstract
This paper gives the simple and logical approach of LP modes in circular and elliptical waveguides. Earlier the basic approach of modes in circular and elliptical fibers was studied by the authors. In this paper, the role of radial antinode in circular and elliptical waveguides is given clearly. Splitting of modes in circular and elliptical fiber has been discussed.
Highlights
Optical fibers are important components of optical communication systems and information technology [1-7]
The aim of this paper is to describe LP modes in circular and elliptical waveguides
Because optical fibers are used as basic mediums for transmission of optical signals, it is useful to make a detailed study of mode designation in optical waveguides
Summary
Optical fibers (or waveguides) are important components of optical communication systems and information technology [1-7]. The aim of this paper is to describe LP modes in circular and elliptical waveguides. These LP modes consist of certain patterns of electromagnetic waves formed within the fiber due to structurally imposed (transverse) boundaries on the propagation fields. Each mode is a pattern of electric and magnetic field distributions that is repeated along the fiber at equal intervals. In modern communication systems we use as few modes as possible so that the interaction among several modes is minimized. Because optical fibers are used as basic mediums for transmission of optical signals, it is useful to make a detailed study of mode designation in optical waveguides
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