Design and Simulate Modern Fiber Optic Communication Systems

Module 5

 

Optical Receivers

 

(1) Use the Existing Modules / Components for Your Research Papers, Research Projects, Theses and Lab Simulation Experiments.
(2) Modify the Modules / Components to the Next Level for Your Research Papers, Research Projects and Theses.
(3) Integrate Different Modules / Components in the OCSim Package to Realize Your Own Fiber Optic Communication Systems.
(4) Modify the Modules for Co-Simulations with the Third Party Commercial Optical Communication Systems Softwares.

 

Source Code: dd_rx_snr.m

Simulation of the signal-to-noise ratio (SNR) of a direct detection receiver. The variance of shot noise and thermal noise are first calculated and then SNR is calculated for a PIN photodiode.

Explore Further this Module:

5.1 Plot the SNR as a function of received power for different values of the load resistance R_{{L}}. Explain the dependence of SNR on R_{{L}}.
5.2 Change the bit rate from 10 Gb/s to 40 Gb/s. Plot the SNR as a function of bit rate for a fixed value of received power. Why does the SNR decrease as the bit rate increases?

5.3 Modify this code to calculate the SNR of APD receivers.

 

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