Open AccessHighly dispersion-tolerant 160 Gbaud optical Nyquist pulse TDM transmission over 525 km
Author(s) -
Toshihiko Hirooka,
Peng Ruan,
Pengyu Guan,
Masataka Nakazawa
Publication year - 2012
Publication title -
optics express
Language(s) - Uncategorized
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.20.015001
Subject(s) - optics , nyquist–shannon sampling theorem , intersymbol interference , pulse shaping , symbol rate , nyquist isi criterion , dispersion (optics) , transmission (telecommunications) , polarization mode dispersion , physics , bandwidth (computing) , waveform , bit error rate , materials science , electronic engineering , telecommunications , computer science , channel (broadcasting) , laser , radar , engineering
We demonstrate an optical Nyquist pulse TDM (Nyquist OTDM) transmission at 160 Gbaud with a substantial increase in the dispersion tolerance compared with a conventional OTDM transmission. Optical Nyquist pulses can be bit-interleaved to ultrahigh symbol rate without suffering from intersymbol interference due to its zero-crossing property at every symbol interval. This allows the signal bandwidth to be greatly narrowed compared to typical pulse waveforms such as Gaussian or sech profile. By virtue of this property, a dispersion tolerance over ± 8 ps/nm was successfully realized in 160 Gbaud, 525 km transmission.