Margin measurements in optical amplifier system

Bergano N.S.; Kerfoot F.W.

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Margin measurements in optical amplifier system

机译：光学放大器系统中的余量测量

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The margin, or the difference between the received signal-to-noise (SNR) and the SNR required to maintain a given bit error ratio (BER), is important to the design and operation of optical amplifier transmission systems A new tehnique is described for estimating the SNR at the receiver's decision circuit when the BER is too low to be measured in a reasonable time. The SNR is determined from the behavior of the BER as a function of the decision threshold setting in the region where the BER is measurable. The authors obtain good agreement between the BER predicted using the measured SNR value and the actual measured BER.

机译：余量，或接收到的信噪比（SNR）与维持给定误码率（BER）所需的SNR之差，对光放大器传输系统的设计和操作很重要。当BER太低而无法在合理的时间内测量时，在接收机的判决电路中估算SNR。根据BER的行为，根据BER可测量区域中的决策阈值设置确定SNR。作者在使用测得的SNR值预测的BER与实际测得的BER之间获得了良好的一致性。

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来源
《IEEE Photonics Technology Letters》 |1993年第3期|P.304-306|共3页
作者
Bergano N.S.; Kerfoot F.W.;
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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类光电子技术、激光技术;
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Margin measurements in optical amplifier system

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