Title :
Narrowband 20 Gbit/s quaternary intensity modulation generated by duobinary 10 Gbit/s modulation in 2 quadratures
Author :
Ibrahim, S.K. ; Bhandare, S. ; Noé, R.
Author_Institution :
Paderborn Univ., Germany
Abstract :
Two duobinary 10 Gbit/s data streams and a QPSK modulator allow to generate 20 Gbit/s quaternary intensity modulation having ∼6 GHz bandwidth. Sensitivity, chromatic dispersion (CD), and PMD tolerance of this novel scheme are -21.5 dBm, -20...+140 ps/nm and 20 ps, respectively.
Keywords :
intensity modulation; optical communication equipment; optical fibre communication; optical fibre dispersion; optical fibre polarisation; optical modulation; quadrature amplitude modulation; quadrature phase shift keying; wavelength division multiplexing; 10 Gbit/s; 20 Gbit/s; DWDM; PMD tolerance; QAM signal generation; QPSK modulator; chromatic dispersion; duobinary data streams; quaternary intensity modulation;
Conference_Titel :
Optical Communication, 2005. ECOC 2005. 31st European Conference on
Conference_Location :
IET
Print_ISBN :
0-86341-543-1
