Title :
Single carrier transmission with two-stage overlap frequency domain equalisation for long-haul optical systems
Author :
Kudo, Riichi ; Kobayashi, Takehiko ; Ishihara, Koichi ; Takatori, Yasushi ; Sano, Akihide ; Yamada, Eiji ; Masuda, Hiroji ; Miyamoto, Yutaka ; Mizoguchi, Masato
Author_Institution :
NTTNetwork Innovation Labs., NTT, Yokosuka
Abstract :
Two-stage overlap frequency domain equalisation (OFDE) is proposed to compensate for chromatic dispersion and polarisation mode dispersion in practical long-haul optical systems. The transmission performance of 25 Gbit/s coherent optical single carrier transmission (SC) with two-stage OFDE is evaluated. The results show that SC using two-stage OFDE attains the Q factor of 11.4 dB over 4320 km of singlemode fibre using 16-point FFT for demodulation.
Keywords :
Fourier transform optics; OFDM modulation; Q-factor; demodulation; fast Fourier transforms; frequency-domain analysis; optical fibre communication; optical fibre dispersion; optical fibre polarisation; FFT; Q factor; bit rate 25 Gbit/s; chromatic dispersion; coherent optical single carrier transmission; demodulation; distance 4320 km; long-haul optical system; orthogonal frequency division multiplexing; polarisation mode dispersion; single-mode fibre; two-stage overlap frequency domain equalisation;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20093200