Title :
DGE-based variable gain EDFA improves both gain flatness and noise figure for a 70°C temperature operating range
Author :
Lolivier, Laurence ; Grillet, Augustin ; Roy, Fabien ; Hamoir, Dominique
Author_Institution :
Multitel Telecom, Mons, Belgium
Abstract :
We designed a +17.5 dBm variable-gain EDFA (20 to 28 dB) incorporating a dynamic gain equalizer (DGE). Its noise figure is maintained below 5.2 dB and its gain flatness is better than 1 dB when operating from -5 to +65°C.
Keywords :
adaptive equalisers; erbium; optical fibre amplifiers; -5 to 65 degC; 20 to 28 dB; 5.2 dB; 70 degC; DGE-based variable gain EDFA; Er; WDM communication networks; cascaded optical amplifiers; dynamic gain equalizer; dynamic optical amplifiers; gain dynamic range; gain flatness; gain ripple; noise figure; temperature operating range; Erbium-doped fiber amplifier; Gain; Noise figure; Optical amplifiers; Optical attenuators; Optical filters; Optical pumping; Stimulated emission; Temperature distribution; Wavelength division multiplexing;
Conference_Titel :
Optical Fiber Communication Conference, 2005. Technical Digest. OFC/NFOEC
Print_ISBN :
1-55752-783-0
DOI :
10.1109/OFC.2005.192965
