OLP Limits of DSP Based 400 Gbps DP 16-QAM Modulation in Non Linear Fiber Propagation
Journal Title: International Journal of Engineering and Techniques - Year 2015, Vol 1, Issue 2
Abstract
The effects of optical nonlinearities in optical fibers are ubiquitous. These effects can be deleterious, but also have many useful applications, especially in the field of implementing all-optical functionalities in optical networks. The paper is devoted to modeling the evolution of signal at 400 Gbps during non linear propagation for DP 16-QAM modulation format in order to show the impact of optical launch power and fiber span transmission on the propagation. This study is focused on the non linear propagation of fiber to obtain the relationship between Optical Launch Power (OLP) and Error Vector Magnitude (EVM). It is found that the for the range of launch power (-8dBm to 4dBm) , EVM is below 16%.
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