Title :
Bidirectional Hybrid OFDM-WDM-PON System for 40-Gb/s Downlink and 10-Gb/s Uplink Transmission Using RSOA Remodulation
Author :
Dong, Tian ; Bao, Yuan ; Ji, Yu ; Lau, Alan Pak Tao ; Li, Zhaohui ; Lu, Chao
Author_Institution :
Dept. of Electron. & Inf. Eng., Hong Kong Polytech. Univ., Hong Kong, China
Abstract :
We experimentally demonstrate a bidirectional hybrid orthogonal frequency-division-multiplexing wavelength-division-multiplexing passive optical network (OFDM-WDM-PON) system. The proposed scheme uses OFDM signals occupying different portions of the available signal spectrum for uplink and downlink signal transmissions to reduce the effects of Rayleigh backscattering, chromatic dispersion, and power fading. A 40-Gb/s downlink signal transmission based on a single sideband modulated OFDM signal, and a 10-Gb/s uplink signal transmission using remodulation of a reflective semiconductor-optical-amplifier are realized.
Keywords :
OFDM modulation; Rayleigh scattering; optical dispersion; optical modulation; passive optical networks; wavelength division multiplexing; RSOA remodulation; Rayleigh backscattering; bidirectional hybrid OFDM-WDM-PON system; bidirectional hybrid orthogonal frequency-division-multiplexing; byte rate 40 GByte/s; chromatic dispersion; downlink signal transmissions; power fading; reflective semiconductor-optical-amplifier; signal spectrum; single sideband modulated OFDM signal; uplink signal transmissions; wavelength- division-multiplexing passive optical network system; Amplitude modulation; Downlink; OFDM; Passive optical networks; Wavelength division multiplexing; Orthogonal frequency division multiplexing (OFDM); reflective semiconductor optical amplifier (RSOA); wavelength division multiplexed passive optical network (WDM-PON);
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2012.2218590
