Applied Engineering, Innovation, and Technology

Vol. 2 No. 2 (2025)
Articles

Enhancing Audio Data Transfer Through Optical Wireless Communication Using Laser Modulation Techniques

pdf (English)
  • Sam Robert James,
  • Lambert Dwomoh,
  • Raji Fawaz
Sam Robert James
University of Mines and Technology, Ghana
Lambert Dwomoh
Norfolk State University, United States
Raji Fawaz
University of Mines and Technology, Ghana

Published 06-10-2025

Keywords

  • Wireless Communication,
  • Laser Diode,
  • Audio Signal,
  • Proteus

Copyright (c) 2025 Sam Robert James, Lambert Dwomoh, Raji Fawaz (Author)

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

How to Cite

[1]
S. R. James, L. Dwomoh, and R. Fawaz, “Enhancing Audio Data Transfer Through Optical Wireless Communication Using Laser Modulation Techniques”, Appl. Eng. Innov. Tech., vol. 2, no. 2, pp. 82–97, Oct. 2025, doi: 10.62777/aeit.v2i2.82.

Abstract

Exploring the potential of optical wireless communication for short-range audio transmission, this research investigates the design of a portable system leveraging the inherent benefits of light-based propagation, such as low power consumption, license-free operation, and enhanced security. While line-of-sight alignment is a key consideration in laser communication, this research outlines a practical approach to system development. A 650 nm laser diode serves as the carrier for the audio signal. The system architecture, comprising a transmitter and receiver, was initially designed and simulated using Proteus software. Each unit was individually implemented and tested to ensure optimal performance. Subsequent integration of these modules and careful line-of-sight alignment enabled successful audio signal transmission and reception. The audible output at the receiver is visually confirmed by a blinking speaker, demonstrating the feasibility of this optical wireless audio communication system. This work offers valuable insights into the design and implementation considerations for such portable applications.

pdf (English)

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