Improving transmission performance in differential phase-shift-keyed systems by use of lumped nonlinear phase-shift compensation
- 15 September 2002
- journal article
- Published by Optica Publishing Group in Optics Letters
- Vol. 27 (18) , 1616-1618
- https://doi.org/10.1364/ol.27.001616
Abstract
We show that significant improvements in transmission performance can be achieved in differential phase-shift-keyed systems by use of lumped nonlinear phase-shift compensation (NPSC). A simple device that provides NPSC is described. In a single-channel system based on dispersion-managed solitons, an improvement in performance of almost 6 dB is realized by NPSC after 6000 km of transmission. In dense wavelength-division multiplexed systems, interchannel cross-phase modulation reduces the effectiveness of NPSC slightly.
Keywords
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