Comparison of all-optical co- and counter-propagating high-speed signal processing in SOA-based Mach-Zehnder interferometers

Svend Bischoff, Alvaro Buxens, S. Fischer, M. Dülk, Anders Clausen, Henrik Nørskov Poulsen, Jesper Mørk

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

The all-optical signal processing performance of a Mach-Zehnder interferometer (MZI) is investigated. Calculated switching windows are used to investigate and understand the physical mechanisms limiting the high speed performance. Especially, the co- and counter-propagating operation of the MZI is discussed and important differences in the performance for the two schemes are addressed. The non-regenerative all-optical clear and drop functionality is investigated for a 2, 4 and 8 x 40 Gbit/s signal, showing good performance in the co-propagating case. Regenerative simultaneous clear and drop functionality in a single MZI is demonstrated experimentally and compared to the large signal model predictions.
Original languageEnglish
JournalOptical and Quantum Electronics
Volume33
Issue number7-10
Pages (from-to)907-926
ISSN0306-8919
DOIs
Publication statusPublished - 2001

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