Abstract
Abstract This paper will discuss recent advances in optical fiber, fiber cabling, and light source technology. These advances will make it possible for widespread applications of fiber optical communications in the very near future. Developments in fiber waveguide have made possible the long distance transmission of high data rate information over a single fiber waveguide. Of the various fiber types, four are currently receiving the most attention because of their attenuation, dispersion, and cost characteristics. Semiconductor injection lasers have been developed that have lifetimes exceeding 10,000 hours with projected lifetimes extending beyond 100,000 hours. Receiver technology is well developed and avalanche photodiodes provide high sensitivity receiver performance for most data bandwidths of interest.
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