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Johannes K. Fischer

Scaling Laws of Optical Fibre Nonlinearity


in Dispersion-Managed Transmission Systems
2010. 148 S.
Verlag/Jahr: SÜDWESTDEUTSCHER VERLAG FÜR HOCHSCHULSCHRIFTEN 2010
ISBN: 3-8381-1402-7 (3838114027)
Neue ISBN: 978-3-8381-1402-6 (9783838114026)

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Digital fiber-optic networks are the basis of today´s communication infrastructure. The maximum capacity that can be transmitted over a single optical fiber is ultimately limited by the nonlinear properties of the fibre. The parameters of the link design are usually optimised by numeric simulations. Analytic descriptions of the nonlinear perturbation of the received signal can help to reduce the parameter space which has to be simulated. In order to expose the fundamental laws governing the nonlinear perturbation of the received signal, a simple analytic model is derived. A special emphasis of the work lies on the analysis of transmission systems with periodic compensation of the chromatic dispersion. Both amplitude-shift keying signals as well as phase-shift keying signals are considered. The influence of multilevel modulation is discussed in the context of differential quadrature phase-shift keying. Furthermore, universal laws for the impact of nonlinear effects such as cross-phase modulation (XPM), four-wave mixing (FWM) and self-phase modulation (SPM) are presented.
Johannes Karl Fischer received the Dr.-Ing. degree from the Technische Universität Berlin in 2009. In 2005 he received a best student paper award of the Asia-Pacific Optical Communication Conference. He is a research associate with the High-Speed TDM-Systems group of the Fraunhofer Institute for Telecommunication Heinrich Hertz Institute.