Step-size selection for split-step based nonlinear compensation with coherent detection in 112-Gb/s 16-QAM transmission

Chien Yu Lin; Rameez Asif; Michael Holtmannspoetter; Bernhard Schmauss

doi:10.3788/COL201210.020605

Step-size selection for split-step based nonlinear compensation with coherent detection in 112-Gb/s 16-QAM transmission

Chien Yu Lin, Rameez Asif, Michael Holtmannspoetter, Bernhard Schmauss

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

Abstract

Non-uniform step-size distribution is implemented for split-step based nonlinear compensation in singlechannel 112-Gb/s 16 quadrature amplitude modulation (QAM) transmission. Numerical simulations of the system including a 20 × 80 km uncompensated link are performed using logarithmic step size distribution to compensate signal distortions. 50% of reduction in number of steps with respect to using constant step sizes is observed. The performance is further improved by optimizing nonlinear calculating position (NLCP) in case of using constant step sizes while NLCP optimization becomes unnecessary when using logarithmic step sizes, which reduces the computational effort due to uniformly distributed nonlinear phase for all successive steps.

Original language	English
Article number	020605
Journal	Chinese Optics Letters
Volume	10
Issue number	2
DOIs	https://doi.org/10.3788/COL201210.020605
Publication status	Published - Feb 2012

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AU - Schmauss, Bernhard

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Step-size selection for split-step based nonlinear compensation with coherent detection in 112-Gb/s 16-QAM transmission

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