publication . Article . 2012

High-Spectral-Efficiency Optical Modulation Formats

Peter J. Winzer;
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  • Published: 23 Aug 2012 Journal: Journal of Lightwave Technology, volume 30, pages 3,824-3,835 (issn: 0733-8724, eissn: 1558-2213, Copyright policy)
  • Publisher: Institute of Electrical and Electronics Engineers (IEEE)
Abstract
As 100-Gb/s coherent systems based on polarization- division multiplexed quadrature phase shift keying (PDM-QPSK), with aggregate wavelength-division multiplexed (WDM) capacities close to 10 Tb/s, are getting widely deployed, the use of high-spectral-efficiency quadrature amplitude modulation (QAM) to increase both per-channel interface rates and aggregate WDM capacities is the next evolutionary step. In this paper we review high-spectral-efficiency optical modulation formats for use in digital coherent systems. We look at fundamental as well as at technological scaling trends and highlight important trade-offs pertaining to the design and performance of coheren...
Subjects
ACM Computing Classification System: Data_CODINGANDINFORMATIONTHEORY
free text keywords: Atomic and Molecular Physics, and Optics
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