Title :
Performance and advantages of 100 Gb/s QPSK/8QAM hybrid modulation formats
Author :
Buchali, F. ; Idler, W. ; Schmalen, L. ; Schuh, K.
Author_Institution :
Bell Labs., Alcatel-Lucent, Stuttgart, Germany
Abstract :
We designed and compared time-domain hybrid-modulation formats with adaptive symbol rates and adaptive code rates to optimize the reach of variable grid 100Gb/s systems. Experimental comparisons quantify linear, non-linear and coding gain of various schemes.
Keywords :
adaptive codes; optical modulation; quadrature amplitude modulation; quadrature phase shift keying; time-domain analysis; 8QAM; QPSK; adaptive code rates; adaptive symbol rates; bit rate 100 Gbit/s; coding gain; linear gain; nonlinear gain; time-domain hybrid-modulation formats; Decision support systems; Filtering; High-speed optical techniques; Nonlinear optics; Optical filters; Quadrature amplitude modulation; Time-domain analysis;
Conference_Titel :
Optical Fiber Communications Conference and Exhibition (OFC), 2015
Conference_Location :
Los Angeles, CA
