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Calculate the receiver sensitivity (at a BER of 10 -9 ) for the-(Answered)

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Question

Calculate the receiver sensitivity (at a BER of 10-9 ) for the receiver in problem 4.14 in the shot-noise and thermal-noise limits. How many photons are incident during bit 1 in the limits if the optical pulse can be approximated by a square pulse? This is problem 4.15 of? FIBER-OPTIC COMMUNICATION SYSTEMS FOURTH EDITION BY GOVIND P.?AGRAWAL. NB: problem ?4.14 has been solved by Jackobkennedy


1. Given

 

Wavelength = 1.3 ?

 


 

?6

 


 

10

 


 

m

 


 

Bandwidth = 60MHz

 

Load resistance = 100

 

Noise figure = 3dB = 2

 

6

 

and B T =100 ? 10

 


 

?9

 

BER = 10

 


 

Quantum efficiency = 0.9

 

?9

 

Q = 6 for BER = 10 ,...

 

Paper#9209297 | Written in 27-Jul-2016

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