Abstract

Designing antennas suitable for generating highly directive electromagnetic signals has become a fundamental task. This is particularly relevant for the development of efficient and sustainable point-to-point communication channels, and for energy transfer. Indeed, these are nowadays expanding areas of research. In order to deal with said particular wave phenomena, an extension of the electrodynamics equations is taken into account, where exact solitonic type solutions are admitted. These waves may have compact support and travel along a straight line, without dissipation, at the speed of light. The result suggests the design of biconic type antennas having specific properties that are numerically examined in this paper. The cones, supplied with an oscillating source, are embedded in a dielectric material of suitable shape, with the purpose of driving the signal in the proper direction. The computations based on the extended model are aimed toward simulating the possibility of generating peculiar wave behaviors, in view of practical implementations in the framework of point-to-point communications or wireless power transmission.

Highlights

  • Directive electromagnetic fields involved in point-to-point (P2P) communications represent a desired aspect of information/energy transmission, in those applications where not being intercepted is important

  • Free space optical (FSO) communications are used for short distance, high bandwidth transmissions

  • We guessed the possibility of generating electromagnetic waves with extremely high directivity

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Summary

Introduction

Directive electromagnetic fields involved in point-to-point (P2P) communications represent a desired aspect of information/energy transmission, in those applications where not being intercepted is important. This aspect is required for securing a private communication channel, and to increase the efficiency in energy transfer, thereby limiting the release of a great amount of wasted energy in neighboring media. Free space optical (FSO) communications are used for short distance, high bandwidth transmissions. They typically rely on coherent sources, but suffer from atmospheric fluctuations in the moisture content ( fog), severely affecting the link.

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