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Conferences > OFC > 2012 > OTu2C > OTu2C.1

Spectrally efficient four-dimensional modulation

Magnus Karlsson and Erik Agrell

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Abstract

We quantify the performance of regular four-dimensional constellations with high spectral efficiency, and compare the sensitivity gain relative to rectangular QAM. Gains up to 1.51 and 1.97 dB over the corresponding QAM formats can be achieved.

© 2012 Optical Society of America

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