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Proceedings Paper

A Review of Fabry-Perot and DFB Lasers for Use in 1.55 Micron Fiber Optic Communications Systems
Author(s): Thomas E. Stockton
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Paper Abstract

The present generation of optical transmission systems is based on the 1.3um wavelength range where conventional singlemode fibers have low attenuation and dispersion close to zero. The minimum attenuation of these fibers, however, lies close to 1.55um. At this wavelength transmission systems using semiconductor laser sources with launch powers of 1mW and conventional PIN-FET receivers could potentially operate with inter repeater spacings in excess of 100km. Improvements in transmitter power or receiver sensitivity would increase this spacing still further. The introduction of systems operating at 1.55um, however, has been inhibited by the dispersive nature of conventional silica fiber at this wavelength. Typical dispersion is 18ps/nm Km. The characteristics of the source therefore have an important effect on the overall system performance limiting the distance/bandwidth product that can be achieved. This paper describes the development of a range of 1.55um laser sources. It analyses their characteristics as components and shows their impact on system performance parameters.

Paper Details

Date Published: 14 January 1987
PDF: 6 pages
Proc. SPIE 0722, Components for Fiber Optic Applications, (14 January 1987); doi: 10.1117/12.937674
Show Author Affiliations
Thomas E. Stockton, STANTEL Components, Inc. (United States)


Published in SPIE Proceedings Vol. 0722:
Components for Fiber Optic Applications
Vincent J. Tekippe, Editor(s)

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