Tolerances and engineering rules for performance estimation and system design in 160-Gbit/s transmission systems

Sascha Vorbeck; Malte Schneiders; Ralph Leppla

doi:10.1117/12.570228

25 October 2004 Tolerances and engineering rules for performance estimation and system design in 160-Gbit/s transmission systems

Sascha Vorbeck, Malte Schneiders, Ralph Leppla

Author Affiliations +

Proceedings Volume 5596, Optical Transmission Systems and Equipment for WDM Networking III; (2004) https://doi.org/10.1117/12.570228
Event: Optics East, 2004, Philadelphia, Pennsylvania, United States

Abstract

Increasing demand for high transmission capacity and the decreasing revenues per bit, combined with the given economy of scale for optical networks, forces the network operators to enhance the channel data rates as well as the channel numbers. Higher channel data rates result in a lower footprint, energy consumption and a lower complexity in network management and operation support systems, due to lower channel numbers. In principle the enhancement of channel data rate leads to a reduction of system tolerance for chromatic dispersion, PMD and nonlinear effects. Furthermore higher order effects like dispersion slope and higher order polarization mode dispersion have to be taken into account. On the other hand the fast pulse broadening leads to a quasi linear behaviour of the systems, which relaxes the impact of fiber nonlinearities compared to 40 Gbit/s transmission. The lower tolerances can partially be mitigated by the implementation of compensators and more complex amplification schemes. Accounting for less tolerances, adaptive compensating modules and higher sophisticated amplification schemes, the complexity of system design is increased. We investigate theoretically and numerically the limiting physical effects and the impact on the signal performance, induced by chromatic dispersion and nonlinear impairments. We present derived engineering rules for all relevant effects and for various fiber types, based on channel data rates of 160 Gbit/s. These engineering rules enable design engineers to perform a fast system design and system degradation estimation, without time consuming full numerical simulations.

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Sascha Vorbeck, Malte Schneiders, and Ralph Leppla "Tolerances and engineering rules for performance estimation and system design in 160-Gbit/s transmission systems", Proc. SPIE 5596, Optical Transmission Systems and Equipment for WDM Networking III, (25 October 2004); https://doi.org/10.1117/12.570228

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