Zhou Zhenhui1, Liu Xiaoying1, Mei Yong1, et al. Study on transmission performances of 8×40 Gbit/s all-optical OFDM systems[J]. 2012,(6):21-24. DOI: 10.13756/j.gtxyj.2012.06.010.
On the basis of the analysis of the theoretical model of Fourier transform-based all-optical OFDM
we construct a multiplexing/demultiplexing module by Mach-Zehnder interferometer cascading and directly carry out an IDFT/DFT process in the optical domain.Furthermore
with the modulation of DPSK
DQPSK
4QAM and 16QAM
we simulate 8×40 Gbit/s OFDM system transmission without GI by using the all-optical multiplexing/demultiplexing module and analyze its performances such as BER.