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All-optical combination of DPSK and OOK to 320-Gb/s DQPSK signal using fiber-based signal processors

: Futami, F.; Okabe, R.; Kato, T.; Schmidt-Langhorst, C.; Schubert, C.; Ludwig, R.; Watanabe, S.

Institute of Electrical and Electronics Engineers -IEEE-:
ECOC 2009, 35th European Conference and Exhibition on Optical Communication. Proceedings : Wien, AT, September 20-24, 2009
Piscataway, NJ: IEEE, 2009
ISBN: 978-1-4244-5096-1
2 S.
European Conference and Exhibition on Optical Communication (ECOC) <35, 2009, Wien>
Fraunhofer HHI ()

All-optical combination of 160-Gb/s DPSK and OOK signals into a 320-Gb/s DQPSK signal is demonstrated using highly-nonlinear fibers. A polarization-insensitive optical parametric limiter enabled error-free combination operation midway in a 200 km fiber link.