Performance of telecommunication-grade multimode fiber at 780 nm |
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Authors: | Hackert M.J. Sibley S.M. Sendelbach P. |
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Affiliation: | Corning Inc., NY; |
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Abstract: | Presents the physics of graded-index multimode fiber and test results that demonstrate 780-nm compact disc (CD) lasers operating at the high speeds (266 Mb/s) and moderate distances (~2 km) for data communications. The test results include fiber characterizations of bandwidth and attenuation, and system performance testing of bit error rate measurements and eye closure characterization. The predictability of 780-nm performance from existing characterization at the traditional wavelengths of 850 and 1300 nm is sufficiently precise to permit the conservativeness necessary for standardization. Telecommunication-grade 50-μm fiber is ideally suited to this application because commercial pressures have caused 62.5-μm fiber to be optimized for 1300-nm light emitting diode (LED) operation |
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