Title :
Sensitivity bound for optically-preamplified direct-detected OFDM systems using spectrally matched filters
Author :
Peng, Wei-Ren ; Feng, Kai-Ming ; Willner, Alan E. ; Chi, Sien
Author_Institution :
Dept. of Photonics, Nat. Chiao Tung Univ., Hsinchu, Taiwan
Abstract :
We investigate the sensitivity bound, in terms of OSNR, for direct-detected OFDM systems in presence of optically-preamplified receivers, and show that OSNR requirement for DD-OFDM could theoretically reach that of CO-OFDM using the spectrally matched filters.
Keywords :
OFDM modulation; optical filters; optical modulation; optical receivers; optically-preamplified direct-detected OFDM systems; optically-preamplified receivers; sensitivity bound; spectrally matched filters; Band pass filters; Bandwidth; Matched filters; OFDM; Optical filters; Optical noise; Optical receivers; Optical sensors; Optical signal processing; Signal to noise ratio;
Conference_Titel :
LEOS Annual Meeting Conference Proceedings, 2009. LEOS '09. IEEE
Conference_Location :
Belek-Antalya
Print_ISBN :
978-1-4244-3680-4
Electronic_ISBN :
1092-8081
DOI :
10.1109/LEOS.2009.5343369
