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What is Data Recovery and Noise in Optical Receivers about?

The data recovery section of an optical receiver consists of a decision circuit and a clock recovery circuit. The clock recovery circuit isolates a frequency component from the data to synchronize decisions. The decision circuit compares the received signal to a threshold to make a binary decision on each bit. However, noise always causes some probability of incorrect decisions. There are two main sources of noise in optical receivers: shot noise from quantized energy fluctuations and thermal noise from r

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vapih

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EN