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Briefly discuss the possible sources of noise in optical fiber receiver. Describe in detail. What is meant by quantum noise? Consider this phenomenon with regard to
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written 7.2 years ago by |
Noise: Noise is a term generally used to refer to any spurious or undesired disturbances that mask the received signal in a communication system. There are three main types of noise due to spontaneous fluctuations in optical fiber communication system: Thermal noise, dark current noise and quantum noise.
$\Rightarrow$ Thermal …