OFC

Distributed Generation of a 400-Gb/s Nyquist 16QAM Dense Superchannel by Fiber-Frequency Conversion

Thomas Richter, Carsten Schmidt-Langhorst, Robert Elschner, Tomoyuki Kato, Shigeki Watanabe, and Colja Schubert

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Author Affiliations

Thomas Richter,*,1Carsten Schmidt-Langhorst,1Robert Elschner,1Tomoyuki Kato,2Shigeki Watanabe,2and Colja Schubert1

1Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute, Einsteinufer 37, 10587 Berlin, Germany

2Fujitsu Laboratories Ltd., 4-1-1 Kamikodanaka, Nakahara-ku, Kawasaki 211-8588, Japan

*Corresponding author:thomas.richter@hhi.fraunhofer.de

Optical Fiber Communication Conference 2014

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Abstract

We generate an ultra-dense 400-Gb/s superchannel by combining four spatially distributed 28-GBd-Nyquist-16QAM-sub-carrier transmitters using optical processing in nonlinear fibers. The multiplexed sub-carriers are precisely frequency-allocated with guard bands down to 0% and achieve bit-error ratios below 3.8×10−3.

© 2014 Optical Society of America

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