Title :
Very flat gain erbium-doped fiber amplifier using samarium-doped fiber
Author :
Srivastava, A.K. ; Zyskind, J.L. ; Evankow, J.D. ; Sulhoff, J.W. ; Sun, Y. ; Mills, M.A.
Author_Institution :
Lucent Technol., AT&T Bell Labs., Holmdel, NJ, USA
Abstract :
A two-stage erbium-doped fiber amplifier (EDFA) with extremely flat gain (/spl plusmn/0.1 dB) over 17-nm bandwidth is demonstrated. The gain flatness is achieved by incorporating samarium-doped fiber in the mid section of the amplifier.
Keywords :
erbium; fibre lasers; laser beams; laser noise; laser variables measurement; multiplexing equipment; optical communication equipment; optical saturation; samarium; wavelength division multiplexing; Er-doped fiber amplifier; Sm-doped fiber; amplifier; bandwidth; flat gain; gain flatness; two-stage fiber amplifier; Erbium-doped fiber amplifier; Gain measurement; Milling machines; Noise figure; Optical fiber communication; Power amplifiers; Samarium; Sun; Wavelength division multiplexing; Wavelength measurement;
Journal_Title :
Photonics Technology Letters, IEEE
