Title :
Comparison of EDFA and bidirectionally pumped Raman amplifier in a 40-Gb/s RZ transmission system
Author :
Helczynski, L. ; Berntson, A.
Author_Institution :
Dept. of Electromagn., Chalmers Univ. of Technol., Goteborg, Sweden
fDate :
7/1/2001 12:00:00 AM
Abstract :
We numerically compare the performance of a bidirectionally pumped Raman and an erbium-doped fiber amplifier (EDFA) system in a 40-Gb/s dispersion-managed return-to-zero (RZ) transmission. The Raman amplifier system shows a substantially higher Q-value compared to that of the EDFA.
Keywords :
Raman lasers; erbium; laser theory; optical fibre amplifiers; optical pumping; optical transmitters; 40 Gbit/s; 40-Gb/s RZ transmission system; EDFA; Q-value; bidirectionally pumped Raman amplifier; dispersion-managed return-to-zero transmission; erbium-doped fiber amplifier; Erbium-doped fiber amplifier; Nonlinear equations; Numerical models; Optical amplifiers; Optical fiber amplifiers; Power system modeling; Raman scattering; Schrodinger equation; Semiconductor optical amplifiers; Stimulated emission;
Journal_Title :
Photonics Technology Letters, IEEE
