Title :
A new high-power and low-RIN Raman pump laser for improved performance in long-span unrepeated WDM transmission systems
Author :
Bolognini, G. ; Faralli, S. ; Sacchi, G. ; Cantini, C. ; Di Pasquale, F.
Author_Institution :
Scuola Superiore Sant´´Anna, Pisa, Italy
Abstract :
We propose a high-power and low-noise laser for effective first- and higher-order co-pumping in distributed Raman amplifiers. Experiments at 10 Gb/s, also confirmed by simulations, point out RIN-penalty free transmission up to 25 dB of co-propagating on-off Raman gain.
Keywords :
Raman lasers; laser noise; optical communication equipment; optical fibre amplifiers; optical fibre communication; optical pumping; wavelength division multiplexing; 10 Gbit/s; RIN; Raman laser; WDM transmission systems; distributed Raman amplifiers; higher-order copumping; on-off Raman gain; Fiber lasers; High power amplifiers; Laser excitation; Laser noise; Low-noise amplifiers; Optical fiber polarization; Power lasers; Pump lasers; Stimulated emission; Wavelength division multiplexing;
Conference_Titel :
Optical Fiber Communication Conference, 2006 and the 2006 National Fiber Optic Engineers Conference. OFC 2006
Print_ISBN :
1-55752-803-9
DOI :
10.1109/OFC.2006.215462
