Title :
Unrepeated 200-km transmission of 40-Gbit/s 16-QAM signals using digital coherent optical receiver
Author :
Mori, Yojiro ; Zhang, Chao ; Igarashi, Koji ; Katoh, Kazuhiro ; Kikuchi, Kazuro
Author_Institution :
Dept. of Electron. Eng., Univ. of Tokyo, Tokyo
Abstract :
We demonstrate unrepeated 200-km transmission of 40-Gbit/s 16-QAM signals. In spite of the launched power limitation due to SPM, the acceptable BER performance is obtained owing to high sensitivity of a digital coherent optical receiver.
Keywords :
error statistics; optical fibre networks; optical modulation; optical receivers; quadrature amplitude modulation; bit error rate; bit rate 40 Gbit/s; digital coherent optical receiver; distance 200 km; optical fibre systems; quadrature amplitude modulation; Bit error rate; Digital filters; Digital signal processing; Finite impulse response filter; Optical attenuators; Optical receivers; Optical signal processing; Optical transmitters; Phase locked loops; Quadrature amplitude modulation;
Conference_Titel :
Opto-Electronics and Communications Conference, 2008 and the 2008 Australian Conference on Optical Fibre Technology. OECC/ACOFT 2008. Joint conference of the
Conference_Location :
Sydney
Print_ISBN :
978-0-85825-807-5
Electronic_ISBN :
978-0-85825-807-5
DOI :
10.1109/OECCACOFT.2008.4610319
