Title :
40×117.6 Gb/s PDM-16QAM OFDM transmission over 10,181 km with soft-decision LDPC coding and nonlinearity compensation
Author :
Zhang, Shaoliang ; Huang, Ming-Fang ; Yaman, Fatih ; Mateo, Eduardo ; Qian, Dayou ; Zhang, Yequn ; Xu, Lei ; Shao, Yin ; Djordjevic, Ivan B. ; Wang, Ting ; Inada, Yoshihisa ; Inoue, Takanori ; Ogata, Takaaki ; Aoki, Yasuhiro
Author_Institution :
NEC Labs. America, Inc., Princeton, NJ, USA
Abstract :
Transmission of 117.6Gb/s optical PDM-16QAM OFDM signals over 10,181km is demonstrated at 25-GHz channel spacing with 4.7 b/s/Hz spectral efficiency. All the errors have been corrected by using 25% overhead QC-LDPC after multi-band nonlinearity compensation.
Keywords :
OFDM modulation; parity check codes; quadrature amplitude modulation; wavelength division multiplexing; PDM-16QAM OFDM transmission; bit rate 117.6 Gbit/s; channel spacing; distance 10181 km; frequency 25 GHz; low density parity check codes; nonlinearity compensation; polarization division multiplexing; soft decision LDPC coding; spectral efficiency; Adaptive optics; Bit error rate; Decoding; OFDM; Optical fiber communication; Parity check codes; Q factor;
Conference_Titel :
Optical Fiber Communication Conference and Exposition (OFC/NFOEC), 2012 and the National Fiber Optic Engineers Conference
Conference_Location :
Los Angeles, CA
Print_ISBN :
978-1-4673-0262-3
