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Four-dimensional optimized constellations for coherent optical transmission systems

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2 Author(s)
Karlsson, M. ; Dept. of Microtechnol. & Nanosci., Chalmers Univ. of Technol., Gothenburg, Sweden ; Agrell, E.

We investigate power-efficient modulation formats in the four-dimensional signal space that is used by most coherent transmission systems. The sensitivity and spectral efficiency trade-off is discussed, with and without forward error correction.

Published in:

Optical Communication (ECOC), 2010 36th European Conference and Exhibition on

Date of Conference:

19-23 Sept. 2010