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Bit error ratio performance of a 1.2-Gbit/s lightwave system using multimode lasers

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Abstract

The bit error ratio (BER) performance of a 1.2-Gbit/s lightwave transmission system using 1.3-μm InGaAsP Fabry-Perot (FP) laser diodes with Zn-doped active layers was investigated experimentally. When the laser diodes were tested through a dispersive: fiber, turn-on jitter and mode-partitioning of the lasers contributed to pulse jitter of the optical waveform at the receiver, which in turn led to a dispersion power penalty. It was found that the pulse jitter and the resulting power penalty were strongly dependent on the carrier lifetime of the lasers. Since the doping level of the active layer affects the carrier lifetime, this suggests that doped-active FP laser diodes with a decreased carrier lifetime may be usable in a wider range of gigabit lightwave applications than previously considered.

© 1992 Optical Society of America

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