Comparison of interferometric all-optical switches for demultiplexing 
applications in high-speed OTDM systems

Schubert, C.; Berger, J.; Diez, S.; Ehrke, H. J.; Ludwig, R.; Feiste, U.; Schmidt, C.; Weber, H. G.; Toptchiyski, G.; Randel, S.; Petermann, K.

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Comparison of interferometric all-optical switches for demultiplexing applications in high-speed OTDM systems

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Diez, S.
Max Planck Institute of Molecular Cell Biology and Genetics, Max Planck Society;

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Citation

Schubert, C., Berger, J., Diez, S., Ehrke, H. J., Ludwig, R., Feiste, U., et al. (2002). Comparison of interferometric all-optical switches for demultiplexing applications in high-speed OTDM systems. Journal of Lightwave Technology, 20(4), 618-624.

Cite as: https://hdl.handle.net/21.11116/0000-0001-135E-1

Abstract

We have investigated three interferometric all-opticaI switches based on cross-phase modulation (XPM) in semiconductor optical amplifiers (SOAs), the semiconductor laser amplifier in a loop mirror (SLALOM) switch, the Mach-Zehnder interferometer (MZI) switch, and the ultrafast nonlinear interferometer (UNI) switch. Switching windows with different widths are measured under similar conditions for all three switching configurations. We introduce the integrated contrast ratio (ICR) as a measure to evaluate the performance of a switch from switching windows. Using the ICR, the switches are compared and their application is discussed as demultiplexer in optical time division multiplexing (OTDM) systems for data rates of 40, 80, and 160 Gb/s.