Optical Receiver Operation
Section 7.2 then outlines the fundamental methods for determining the bit-error rate or probability of error (the chance that a bit is corrupted and received in error) of a digital receiver based on signal-to
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Converting the optical energy emerging from the end of a fiber into electrical signal. various noises and distortions will unavoidably be introduced due to imperfect component responses. This can lead to
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Poisson statistics should be used for small number of photons. For an ideal detector (no thermal noise, no dark current, and h = 1), 0 bits produce no photons, and s0 = 0. Error occurs only if 1 bit fails to
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This application note provides an in-depth analysis of the complete receiver optical sensitivity and the potential power penalties related to the accumulation of random noise and inter-symbol interference