Title :
Unstable Raman amplification due to Brillouin scattering and its suppression for 40Gb/s WDM transmission
Author :
Kotanigawa, Takarhi ; Matsuda, Torhiya ; Naka, Akira
Author_Institution :
NTT Network Service Syst. Lab., Kanagawa, Japan
Abstract :
The instability in Raman amplifiers due to Brillouin scattering is observed for the first time and successfully suppressed by phase modulation. A U-band 40 Gb/s WDM transmission experiment demonstrates the effectiveness of the proposed suppression technique.
Keywords :
Raman lasers; laser stability; optical fibre amplifiers; optical fibre communication; optical modulation; phase modulation; stimulated Brillouin scattering; wavelength division multiplexing; 40 Gbit/s; Brillouin scattering; Raman amplification instability; Raman amplification suppression; WDM transmission; phase modulation;
Conference_Titel :
Optical Fiber Communication Conference, 2004. OFC 2004
Conference_Location :
Los Angeles, CA, USA
Print_ISBN :
1-55752-772-5
