An experiment on 560 Mb/s transmission system limited by mode partition noise and the statistic measuring method of laser diode mode partition characteristics

A simple and accurate theory proposed by Jiang et al. (see Optical and Quantum Electronics, vol.22, p.23, 1990) to calculate the mode partition noise in single-mode fiber systems is shown to be in good agreement with the transmission experiment presented. The 560 Mb/s transmission experiment using the multilongitudinal mode laser diode is described and the result indicates that the transmission distance is limited to 10 km by the mode partition noise when 1-dB power penalty takes place. A statistical method is proposed to determine the k-parameter of laser diodes modulated by quasi-random RZ binary signals. The k-parameter is the most important parameter to describe the mode partition characteristics of laser diodes.<
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