Andreas Dr. Färbert | Researchain

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IEEE Journal of Selected Topics in Quantum Electronics | 2000

Reduced model to describe SPM-limited fiber transmission in dispersion-managed lightwave systems

Jörg-Peter Elbers; Andreas Dr. Färbert; Christian Scheerer; Christoph Glingener; Georg Fischer

A reduced model to describe self-phase modulation (SPM)-limited fiber transmission in dispersion-managed lightwave systems is presented. By introducing a new figure of merit, the maximum transmission distance versus optical power can be determined without any numerical simulation. Together with simplified models for other nonlinear fiber effects, a useful set of design rules for a first-order performance estimation of wavelength-division multiplexed (WDM) systems is established.

optical fiber communication conference | 2000

SRS crosstalk in preemphasized WDM systems

Christian Scheerer; Christoph Glingener; Andreas Dr. Färbert; J.-P. Elbers; Georg Fischer

With a new simple model for stimulated Raman scattering crosstalk and an 30 dBm system experiment we found that the shortest and longest wavelength channels are affected most by SRS crosstalk independent of the preemphasis.

lasers and electro optics society meeting | 2001

Practical method to measure optical SNR in multi terabit systems

Andreas Dr. Färbert; J.-P. Elbers; H. Bock; R. Neuhauser; Christoph Glingener

A practical method to measure OSNR is reported. In contrast to previous procedures, this method does not need changes in the transmission line. We demonstrate the robustness against distortions induced by dispersion and self-phase modulation.

Electronics Letters | 1999