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Unformatted text preview: S I (f ) = L I ()e i 2 f d = e P. Thus the shot noise current can be thought of as being a white noise process with a at spectral density as given here. Within a receiver bandwidth of B e , the shot noise power is given by 2 shot = B e B e S I (f )df = 2 e P B e . Therefore, the photocurrent can be written as I = I + i s , where I = P and i s is the shot noise current with zero mean and variance e P B e ....
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This note was uploaded on 01/15/2011 for the course ECE 6543 taught by Professor Boussert during the Spring '09 term at Georgia Institute of Technology.
- Spring '09