Title :
Study of 40 Gbit/s Modulation Format to Upgrade 10 Gbit/s Long-Haul Transmission Systems with 50 GHz Channel Spacing
Author :
Daikoku, Masahiro ; Morita, Itsuro ; Tanaka, Hideaki
Author_Institution :
KDDI R&D Laboratories, Inc., 2-1-15 Ohara, Fujimino, Saitama 356-8502, Japan. E-mail: daikoku@kddilabs.jp
Abstract :
The optimum 42.7 Gbit/s modulation format to upgrade 10.7 Gbit/s transmission systems with 50 GHz channel spacing was studied. RZ-DQPSK was more suitable than duobinary, since 1600 km transmission was achievable with a wider tolerance to PMD.
Keywords :
Arrayed waveguide gratings; Channel spacing; Distributed feedback devices; Filtering; Optical add-drop multiplexers; Optical filters; Optical modulation; Optical signal processing; Optical transmitters; Q factor;
Conference_Titel :
Optical Communications, 2006. ECOC 2006. European Conference on
Conference_Location :
Cannes, France
Print_ISBN :
978-2-912328-39-7
Electronic_ISBN :
978-2-912328-39-7
DOI :
10.1109/ECOC.2006.4801101
