Title :
Transmission of a 127 Gb/s PM-QPSK signal over a 3350 km SMF-only line with chromatic dispersion compensation using real-time DSP [Invited]
Author :
Arikawa, Manabu ; Okamoto, Takeshi ; Muraki, Mitsunori ; Ogasahara, Daisaku ; De Gabory, Emmanuel Le Taillandier ; Ito, Toshiharu ; Fukuchi, Kiyoshi
Author_Institution :
Green Platform Res. Labs., NEC Corp., Kawasaki, Japan
Abstract :
We experimentally confirmed the effectiveness of chromatic dispersion compensation by overlap frequency-domain equalization in real-time digital signal processing for a 127 Gb/s polarization-multiplexed quadrature phase shift keying (PM-QPSK) signal up to 56,200 ps/nm. We verified a penalty lower than 0.55 dB for accumulated dispersion over a 3350 km single-mode-fiber- (SMF-) only transmission line. We also demonstrated the transmission of a 127 Gb/s PM-QPSK signal in a 50-GHz-spacing 5-channel wavelength division multiplexing configuration over the same SMF-only line with a received Q factor of 10.1 dB.
Keywords :
Q-factor; channel spacing; compensation; digital signal processing chips; optical fibre communication; optical fibre dispersion; quadrature phase shift keying; wavelength division multiplexing; PM-QPSK signal transmission; Q factor; SMF-only line; bit rate 127 Gbit/s; channel spacing; chromatic dispersion compensation; distance 3350 km; frequency 50 GHz; overlap frequency-domain equalization; polarization-multiplexed quadrature phase shift keying; real-time DSP; real-time digital signal processing; single-mode-fiber; wavelength division multiplexing; Digital signal processing; Optical noise; Optical receivers; Optical transmitters; Q factor; Signal to noise ratio; Wavelength division multiplexing; Chromatic dispersion; Digital signal processing; Optical fiber communication;
Journal_Title :
Optical Communications and Networking, IEEE/OSA Journal of
DOI :
10.1364/JOCN.4.00B161
