Title :
40 Gb/s WDM-transmission with EDFAs in comparison to Raman amplified transmission with Raman fiber lasers as first-order and second-order pump
Author :
Schulze, Elmar ; Warnke, Andreas ; Raub, Friedrich
Author_Institution :
Heinrich-Hertz-Inst., Fraunhofer-Inst. fur Nachrichtentechnik, Berlin, Germany
Abstract :
We investigated a 16×40 Gb/s long-haul transmission to prove whether Raman fiber lasers can replace LDs used for codirectional second-order pumped Raman amplifiers (RA) and compared the RA to counter pumped RA and EDFAs.
Keywords :
Raman lasers; fibre lasers; optical communication equipment; optical fibre amplifiers; optical pumping; semiconductor lasers; wavelength division multiplexing; 40 Gbit/s; 640 Gbit/s; EDFA; Raman amplified transmission; Raman fiber lasers; WDM-transmission; codirectional second-order pumped Raman amplifiers; counter pumped Raman amplifiers; first-order pump; long-haul transmission; Counting circuits; Distributed amplifiers; Erbium-doped fiber amplifier; Fiber lasers; Laser excitation; Laser modes; Laser noise; Pump lasers; Quantum cascade lasers; Stimulated emission;
Conference_Titel :
Optical Fiber Communication Conference, 2005. Technical Digest. OFC/NFOEC
Print_ISBN :
1-55752-783-0
DOI :
10.1109/OFC.2005.192923
