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Proceedings Paper

Optical precoding technologies with high-speed DAC at 40G or beyond
Author(s): T. Sugihara
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Paper Abstract

A precoding technology with a digital signal processor and high-speed DACs is a promising key enabler for realizing next-generation higher-order modulation systems. Achievement of a DAC operating speed of 40 GS/s or beyond is a prerequisite for high-speed precoded transmission. In this paper, the application of and the trends in optical precoding technology are reviewed. A high-speed DAC for optical communications at 40 Gb/s and beyond is introduced. To achieve a DAC suitable for digital signal processor based high order modulation, an interleaved DAC and a high-speed multiplexer are key technologies.

Paper Details

Date Published: 9 December 2011
PDF: 6 pages
Proc. SPIE 8309, Optical Transmission Systems, Subsystems, and Technologies IX, 83090F (9 December 2011); doi: 10.1117/12.900443
Show Author Affiliations
T. Sugihara, Mitsubishi Electric Corp. (Japan)

Published in SPIE Proceedings Vol. 8309:
Optical Transmission Systems, Subsystems, and Technologies IX
Xiang Liu, Editor(s)

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