QPSK Fiber Optic Communication Systems with CD Compensation through DSP


.

Design and Simulation of Coherent QPSK Fiber Optic Communication Systems

.

with Chromatic Dispersion (CD) Compensation through DSP

.

 

. .

Simulation Setup

 

 .

.

1. Fiber Chromatic Compensations through DSP

 .

CD Equalizer using a Digital Dispersion Compensating Fiber used for Simulation

 .


.2. Fiber Chromatic Compensations through DSP

.

Finite Impulse Response (FIR) Dispersion Compensating Filter used for Simulation

.

Selected Simulated Results Using this Module

 


.4. Constellation Diagram Before the CD Equalization

.

Constellation Diagram Before the Chromatic Dispersion Compensation

 


..

3. Constellation Diagram After the CD Equalization

.

Constellation Diagram After the Chromatic Dispersion Compensation 

 

.