TY - JOUR
T1 - Beyond 100Gbs optical transmission based on polarization multiplexed coded-OFDM with coherent detection
AU - Djordjevic, Ivan B.
AU - Xu, Lei
AU - Wang, Ting
N1 - Funding Information:
This work is supported in part by the National Science Foundation under grant IHCS-0725405 and in part by NEC Laboratories America.
PY - 2009
Y1 - 2009
N2 - We propose a coded-modulation scheme suitable for beyond 100Gbs transmission and 100Gbs Ethernet. It is based on polarization multiplexed coded-orthogonal frequency division multiplexing (OFDM). By using 32-QAM-based polarization multiplexed coded-OFDM, we are able to achieve the aggregate rate of 100Gbs, while the OFDM signal bandwidth is only 10GHz, resulting in a spectral efficiency of 10bitssHz. The spectral efficiency of the proposed scheme is twice higher than that of the polarization diversity OFDM scheme. We show that the proposed multicarrier scheme is insensitive to polarization mode dispersion (PMD), while the PMD represents a major source of performance degradation in single carrier systems, in addition to fiber nonlinearities. We also describe how to determine the symbols' log-likelihood ratios in the presence of laser phase noise.
AB - We propose a coded-modulation scheme suitable for beyond 100Gbs transmission and 100Gbs Ethernet. It is based on polarization multiplexed coded-orthogonal frequency division multiplexing (OFDM). By using 32-QAM-based polarization multiplexed coded-OFDM, we are able to achieve the aggregate rate of 100Gbs, while the OFDM signal bandwidth is only 10GHz, resulting in a spectral efficiency of 10bitssHz. The spectral efficiency of the proposed scheme is twice higher than that of the polarization diversity OFDM scheme. We show that the proposed multicarrier scheme is insensitive to polarization mode dispersion (PMD), while the PMD represents a major source of performance degradation in single carrier systems, in addition to fiber nonlinearities. We also describe how to determine the symbols' log-likelihood ratios in the presence of laser phase noise.
KW - 100 Gb/s Ethernet
KW - Low-density parity-check (LDPC) codes
KW - Optical communications
KW - Orthogonal frequency division multiplexing (OFDM)
KW - Polarization diversity
KW - Polarization mode dispersion (PMD)
KW - Polarization multiplexing
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U2 - 10.1364/JOCN.1.000050
DO - 10.1364/JOCN.1.000050
M3 - Article
AN - SCOPUS:67651149848
SN - 1943-0620
VL - 1
SP - 50
EP - 56
JO - Journal of Optical Communications and Networking
JF - Journal of Optical Communications and Networking
IS - 1
M1 - 5069798
ER -