TY - JOUR
T1 - Multidimensional LDPC-coded modulation for beyond 400 Gb/s per wavelength transmission
AU - Batshon, Hussam G.
AU - Djordjevic, Ivan B.
AU - Xu, Lei
AU - Wang, Ting
N1 - Funding Information:
Manuscript received April 08, 2009; revised May 12, 2009. First published June 02, 2009; current version published July 29, 2009. This work was supported in part by the NEC Laboratories America and in part by the National Science Foundation (NSF) under Grant Integrative, Hybrid and Complex Systems (IHCS) 0725405.
PY - 2009/8/15
Y1 - 2009/8/15
N2 - In this letter, we propose a multidimensional low-density parity-check-coded modulation scheme suitable for use in up to 400 Gb/s per wavelength transmission, using currently available commercial components operating at 40 gigasymbols/s. We show that we can achieve multiples of the current transmission speed with negligible penalty. At the same time, using this scheme, the transmission and signal processing are done at 40 gigasymbols/s, where dealing with all the nonlinear effects is more convenient and the polarization-mode dispersion is more manageable. In addition, we show that using the proposed technique, we can achieve an improvement ranging from 3 dB over 8-quadrature-amplitude modulation (QAM) to 14 dB over 256-QAM, and an improvement of up to 9.75 dB over the 256-3D-constellation at bit-error ratio (BER) of 10-9. We also show that we can reach the 400-Gb/s aggregate rate with a coding gain of 10.75 dB at BER of 10-12.
AB - In this letter, we propose a multidimensional low-density parity-check-coded modulation scheme suitable for use in up to 400 Gb/s per wavelength transmission, using currently available commercial components operating at 40 gigasymbols/s. We show that we can achieve multiples of the current transmission speed with negligible penalty. At the same time, using this scheme, the transmission and signal processing are done at 40 gigasymbols/s, where dealing with all the nonlinear effects is more convenient and the polarization-mode dispersion is more manageable. In addition, we show that using the proposed technique, we can achieve an improvement ranging from 3 dB over 8-quadrature-amplitude modulation (QAM) to 14 dB over 256-QAM, and an improvement of up to 9.75 dB over the 256-3D-constellation at bit-error ratio (BER) of 10-9. We also show that we can reach the 400-Gb/s aggregate rate with a coding gain of 10.75 dB at BER of 10-12.
KW - High-speed optical transmission
KW - Low-density parity-check (LDPC) codes
KW - Multidimensional-coded modulation
KW - Optical communications
KW - Polarization-mode dispersion (PMD)
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U2 - 10.1109/LPT.2009.2023800
DO - 10.1109/LPT.2009.2023800
M3 - Article
AN - SCOPUS:68449084420
SN - 1041-1135
VL - 21
SP - 1139
EP - 1141
JO - IEEE Photonics Technology Letters
JF - IEEE Photonics Technology Letters
IS - 16
ER -