Title :
Performance of WDM fiber-radio network using distributed Raman amplifier
Author :
Li, Zhaohui ; Nirmalathas, Ampalavanapillai ; Bakaul, Masuduzzman ; Wen, Yang Jing ; Cheng, Linghao ; Chen, Jian ; Lu, Chao ; Aditya, Sheel
Author_Institution :
Inst. for Infocomm Res., Singapore
Abstract :
We investigate the impairment induced by stimulated Brillouin scattering (SBS) effect and noise characteristics of wavelength-division-multiplexing fiber-radio network assisted by distributed Raman amplifier (DRA) or erbium-doped fiber amplifier. Experimental results indicate that forward-pumping DRA can increase the link optical output power limited by SBS effect in downstream transmission and backward-pumping DRA can improve signal-to-noise ratio in upstream transmission, which is verified by binary phase-shift keying transmission experiments. Moreover, our experimental results show that DRA does not introduce additional impairment from interchannel crosstalk due to cross-phase modulation and degradation in spur-free dynamic range
Keywords :
Raman lasers; distributed amplifiers; erbium; microwave photonics; optical crosstalk; optical fibre amplifiers; optical modulation; optical pumping; phase shift keying; radio-over-fibre; stimulated Brillouin scattering; telecommunication channels; wavelength division multiplexing; WDM fiber-radio network; backward-pumping; binary phase-shift keying; cross-phase modulation; distributed Raman amplifier; downstream transmission; erbium-doped fiber; forward-pumping; interchannel crosstalk; noise characteristics; spur-free dynamic range; stimulated Brillouin scattering; upstream transmission; wavelength-division-multiplexing; Brillouin scattering; Crosstalk; Distributed amplifiers; Erbium-doped fiber amplifier; Optical fiber amplifiers; Optical noise; Raman scattering; Stimulated emission; WDM networks; Wavelength division multiplexing; Broad-band wireless access; distributed Raman amplifier (DRA) and crosstalk; fiber-radio;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2005.863179
