Optical Fiber Communications Link Design

James P. Wittke

doi:10.1117/12.954472

6 November 1975 Optical Fiber Communications Link Design

James P. Wittke

Author Affiliations +

Proceedings Volume 0063, Guided Optical Communications; (1975) https://doi.org/10.1117/12.954472
Event: 19th Annual Technical Symposium, 1975, San Diego, United States

Abstract

This paper discusses the most important factors involved in the design of an optical fiber communications link. The system signal-to-noise ratio is determined by many factors, including source power, source-fiber coupling efficiency, and fiber losses. Noise arising in such links, especially that related to detection, is treated in some detail. In addition to signal-to-noise considerations, system components must be chosen to provide the necessary fidelity of information transmission. Sources and detectors have limited frequency responses, and various dispersive effects are associated with light propagation in fibers. A representative link design is made to illustrate these various factors. Although many things must be considered in optimizing the design of a practical fiber link, an understanding of those treated above permits a realistic estimate of the characteristics and potentialities of optical links to be made for any given system requirement.

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James P. Wittke "Optical Fiber Communications Link Design", Proc. SPIE 0063, Guided Optical Communications, (6 November 1975); https://doi.org/10.1117/12.954472

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