Title :
25 Tb/s transmission over 5,530 km using 16QAM at 5.2 bits/s/Hz spectral efficiency
Author :
Cai, J.-X. ; Batshon, H.G. ; Zhang, Haijun ; Davidson, C.R. ; Sun, Yue ; Mazurczyk, Matt ; Foursa, D.G. ; Pilipetskii, A. ; Mohs, G. ; Bergano, N.S.
Author_Institution :
TE SubCom, Eatontown, NJ, USA
Abstract :
We transmit 250×100G PDM RZ 16QAM channels with 5.2 bits/s/Hz spectral efficiency over 5,530 km using single stage C-band EDFAs equalized to 40 nm. We use coded modulation and all channels are decoded with no errors after iterative decoding between a MAP and an LDPC based FEC decoder.
Keywords :
channel coding; erbium; error correction codes; forward error correction; iterative decoding; maximum likelihood decoding; modulation coding; optical fibre amplifiers; optical fibre networks; optical modulation; parity check codes; quadrature amplitude modulation; Er; LDPC-based FEC decoder; MAP decoder; PDM RZ 16QAM channel; bit rate 25 Tbit/s; channel decoding; coded modulation; distance 5530 km; forward error correction; iterative decoding; low density parity check codes; single-stage C-band EDFA; size 40 nm; spectral efficiency; Bandwidth; Decoding; Optical fiber amplifiers; Optical noise; Optical transmitters; Parity check codes; Signal to noise ratio;
Conference_Titel :
Optical Communications (ECOC), 2012 38th European Conference and Exhibition on
Conference_Location :
Amsterdam
