We present the first real-time transmitter generating a multicarrier offset-QAM signal at 224 Gb/s after polarization multiplexing. Low penalties are achieved in a back-to-back experiment using a novel FPGA platform including two high-speed DACs running at 32 GS/s.
© 2012 OSA
(060.1660) Fiber optics and optical communications : Coherent communications
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.4230) Fiber optics and optical communications : Multiplexing
S. Randel, S. Corteselli, S. Chandrasekhar, A. Sierra, X. Liu, P. Winzer, T. Ellermeyer, J. Lutz, and R. Schmid, "Generation of 224-Gb/s Multicarrier Offset-QAM Using a Real-Time Transmitter," in Optical Fiber Communication Conference, OSA Technical Digest (Optical Society of America, 2012), paper OM2H.2.