Title :
Inline loopbacks for improved OSNR and reduced double Rayleigh scattering in distributed Raman amplifiers
Author :
Fludger, C.R.S. ; Handerek, V. ; Jolley, N. ; Mears, R.J.
Author_Institution :
Nortel Networks, UK
Abstract :
We present a novel transmission system configuration, using passive components in a loopback topology, to improve counter-pumped distributed Raman amplification. This improves system performance, reduces double Rayleigh scattering and increases the efficiency of pump usage.
Keywords :
Raman lasers; Rayleigh scattering; laser noise; optical fibre amplifiers; optical fibre communication; optical pumping; topology; OSNR; counter-pumped distributed Raman amplification; distributed Raman fibre amplifiers; double Rayleigh scattering; inline loopbacks; loopback topology; passive components; pump usage; reduced double Rayleigh scattering; system performance; transmission system configuration; Attenuation; Optical fiber cables; Optical noise; Optical pumping; Optical receivers; Optical scattering; Raman scattering; Rayleigh scattering; Signal to noise ratio; Stimulated emission;
Conference_Titel :
Optical Fiber Communication Conference and Exhibit, 2001. OFC 2001
Conference_Location :
Anaheim, CA, USA
Print_ISBN :
1-55752-655-9