Title :
Digital QAM modulation and equalization for high performance 400 GbE data center modules
Author :
Lyubomirsky, Ilya ; Ling, William A.
Author_Institution :
Finisar Corp, Sunnyvale, CA, USA
Abstract :
A digital QAM modem concept is proposed and investigated for 400-Gb/s data center modules based on 25G DFB transmitter technology. Monte-Carlo simulations, including DFB nonlinearities and RIN, show 2-dB advantage for QAM over optimized DMT.
Keywords :
Monte Carlo methods; computer centres; equalisers; modems; modules; optical communication; quadrature amplitude modulation; 25G DFB transmitter technology; DFB nonlinearity; Monte-Carlo simulation; RIN; data center module; digital QAM modulation; discrete multitone modulation; equalization; gain 2 dB; modem concept; optimized DMT; Decision feedback equalizers; Finite impulse response filters; Optical filters; Optical transmitters; Quadrature amplitude modulation; Receivers;
Conference_Titel :
Optical Fiber Communications Conference and Exhibition (OFC), 2014
Conference_Location :
San Francisco, CA
Print_ISBN :
978-1-5575-2994-7
DOI :
10.1364/OFC.2014.W1F.4
