| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Performance of Post-Nonlinearity Compensation for Differential-Phase-Shifted-Keying Links with Transmitter Imperfections |
| YUAN Jie, XUE Tian-Ming, ZHU Guang-Hao** |
School of Electronic Science and Engineering, Nanjing University, Nanjing 210093
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| Cite this article: |
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YUAN Jie, XUE Tian-Ming, ZHU Guang-Hao 2012 Chin. Phys. Lett. 29 114204 |
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Abstract We study the post nonlinearity compensation of differential-phase-shift-keying links employing pure soliton transmissions over a large number of spans. In addition to the distributed amplified spontaneous noises added by the inline amplifiers, lumped intensity noises initially resulting from transmitter imperfections are also considered. Based on the soliton perturbation theory, we derive simple and accurate formulae for the optimum operating phase, the variance of the residue phase noise, and the phase Q-factor improvement of the post nonlinearity compensation. We validate these derived formulae by comparing their results with numerical simulations built upon the split-step Fourier method.
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Received: 13 June 2012
Published: 28 November 2012
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| PACS: |
42.79.Sz
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(Optical communication systems, multiplexers, and demultiplexers?)
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42.81.Dp
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(Propagation, scattering, and losses; solitons)
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42.65.Re
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(Ultrafast processes; optical pulse generation and pulse compression)
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