Effect of second order signal-noise interactions in nonlinearity compensated optical transmission systems

Al-Khateeb, Mohammad A.Z, McCarthy, Mary, Sánchez, Christian and Ellis, Andrew (2016). Effect of second order signal-noise interactions in nonlinearity compensated optical transmission systems. Optics Letters, 41 (8), pp. 1849-1852.

Abstract

In this Letter, we theoretically and numerically analyze the performance of coherent optical transmission systems that deploy inline or transceiver based nonlinearity compensation techniques. For systems where signal-signal nonlinear interactions are fully compensated, we find that beyond the performance peak the signal-to-noise ratio degradation has a slope of 3 dBSNR/dBPower suggesting a quartic rather than quadratic dependence on signal power. This is directly related to the fact that signals in a given span will interact not only with linear amplified spontaneous emission noise, but also with the nonlinear four-wave mixing products generated from signal-noise interaction in previous (hitherto) uncompensated spans. The performance of optical systems employing different nonlinearity compensation schemes were numerically simulated and compared against analytical predictions, showing a good agreement within a 0.4 dB margin of error.

Publication DOI: https://doi.org/10.1364/OL.41.001849
Dataset DOI: https://doi.org/10.17036/421bac57-8e97-43e9-848c-88c604fb0069
Divisions: Engineering & Applied Sciences > Electrical, Electronic & Power Engineering
Engineering & Applied Sciences > Aston Institute of Photonics Technology
Engineering & Applied Sciences
Additional Information: Funding: EPSRC (EP/J017582/1, EP/L000091/1).
Uncontrolled Keywords: Atomic and Molecular Physics, and Optics
Full Text Link: https://www.osa ... ri=ol-41-8-1849
Related URLs: http://www.scop ... tnerID=8YFLogxK (Scopus URL)
Published Date: 2016-04-14
Authors: Al-Khateeb, Mohammad A.Z ( 0000-0002-1367-6777)
McCarthy, Mary ( 0000-0002-1348-1574)
Sánchez, Christian ( 0000-0003-3004-2773)
Ellis, Andrew ( 0000-0002-0417-0547)

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