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Global Simulation Accuracy Control in the Split-Step Fourier Simulation of Vector Optical Fiber Communication Channel

Qun Zhang1, Santosh Karri1, Muhammad Khaliq1 , Liudong Xing2, and M. I. Hayee3
1.Department of Electrical and Computer Engineering, Minnesota State University, Mankato, MN 56001, USA
2.Department of Electrical and Computer Engineering, University of Massachusetts Dartmouth, MA 02747, USA
3.Department of Electrical Engineering, University of Minnesota Duluth, Duluth, MN 55812, USA

Abstract—A symmetrized split-step Fourier (SSSF) simulation model with global simulation accuracy control is extended to vector optical fiber multi-span propagation cases, which are applicable to the waveform level simulation of polarization multiplexed coherent optical communication systems. Using local error bound obtained from a scalar simulation package, the prescribed global simulation accuracy can be satisfied for the simulation of propagation of optical signals with dual polarization input. Furthermore, it was found that the computational efficiency for one span simulation can be maintained for multi-span simulation. The developed simulation package can significantly speed up the time-consuming simulations which are typical in coherent optical fiber communication system design.

Index Terms—Optical fiber communications; coupled nonlinear Schrödinger (CNLS) equations; split-step fourier (SSF) method; computer simulation software package; polarization multiplexed QPSK (PM-QPSK)

Cite: Qun Zhang, Santosh Karri, Muhammad Khaliq, Liudong Xing, and M. I. Hayee, "Global Simulation Accuracy Control in the Split-Step Fourier Simulation of Vector Optical Fiber Communication Channel," Journal of Communications, vol. 10, no. 1, pp. 1-8, 2015. Doi: 10.12720/jcm.10.1.1-8

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