Title :
Twincore erbium-doped fibre amplifier with passive spectral gain equalisation
Author :
Laming, R.I. ; Minelly, John D ; Dong, Lixin ; Zervas, M.N.
Author_Institution :
Southampton Univ., UK
fDate :
3/18/1993 12:00:00 AM
Abstract :
Automatic spectral gain equalisation is demonstrated using controlled spatial hole-burning in an erbium-doped twincore fibre. Gain equalisation rates up to 0.11 dB difference between input signal levels are demonstrated and should increase the useful bandwidth of cascaded amplifiers.
Keywords :
automatic gain control; compensation; erbium; fibre lasers; optical hole burning; EDFA; bandwidth; cascaded amplifiers; controlled spatial hole-burning; gain equalisation rate; passive spectral gain equalisation; twincore Er doped fibre amplifier;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19930340
