Performance analysis of NRZ, RZ, raised cosine and Gaussian modulation formats in 32x10 Gbps WDM system with different compensation techniques

Hardeep Singh; Nivedita Mishra

doi:10.1117/12.2187167

3 September 2015 Performance analysis of NRZ, RZ, raised cosine and Gaussian modulation formats in 32x10 Gbps WDM system with different compensation techniques

Hardeep Singh, Nivedita Mishra

Author Affiliations +

Proceedings Volume 9579, Novel Optical Systems Design and Optimization XVIII; 95790U (2015) https://doi.org/10.1117/12.2187167
Event: SPIE Optical Engineering + Applications, 2015, San Diego, California, United States

Abstract

We investigated pre, post-compensation and symmetrical or hybrid-compensation in the presence of fiber nonlinearities with NRZ, RZ, Raised Cosine and Gaussian modulation formats for 32x10 Gbps system in this work. Analysis is done taking Quality factor and eye diagram at receiver. The simulation results showed that for all the modulation formats as the signal input power increases up to certain limit Q value first increases and then starts decreasing. The symmetric compensation scheme performs better than pre and post compensation techniques for all type of modulation formats except in case of Gaussian format at input signal power 0 dBm. It is also found out that NRZ performs better for lower input signal power and RZ performs better at high input signal powers for symmetric compensation.

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Hardeep Singh and Nivedita Mishra "Performance analysis of NRZ, RZ, raised cosine and Gaussian modulation formats in 32x10 Gbps WDM system with different compensation techniques", Proc. SPIE 9579, Novel Optical Systems Design and Optimization XVIII, 95790U (3 September 2015); https://doi.org/10.1117/12.2187167

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