We experimentally demonstrate efficient detection of a 1.2-Tb/s 24-carrier NGI-CO-OFDM signal with 12.5-Gbaud PDM-QPSK carrier-modulation by simultaneously recovering 2 or 3 carriers per 50-GSamples/s-sampling, and show its performance after transmitting the signal over 7,200 km.
© 2010 IEEE Communications Society, IEEE Photonics Society, OSA, Telcordia
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.1660) Fiber optics and optical communications : Coherent communications
(060.5060) Fiber optics and optical communications : Phase modulation
X. Liu, S. Chandrasekhar, B. Zhu, and D. W. Peckham, "Efficient Digital Coherent Detection of A 1.2-Tb/s 24-Carrier No-Guard-Interval CO-OFDM Signal by Simultaneously Detecting Multiple Carriers Per Sampling," in Optical Fiber Communication Conference, OSA Technical Digest (CD) (Optical Society of America, 2010), paper OWO2.