Title :
Polarization modulation study of gain anisotropy in erbium-doped fiber amplifiers
Author :
Arellano, W.A. ; Berendt, M.O. ; Fragnito, H.L.
Author_Institution :
Inst. de Fisica, UNICAMP, Campinas, SP, Brazil
Abstract :
Summary form only given. Polarization dependent gain (PDG) in erbium-doped fiber amplifiers (EDFA) leads to performance degradations in systems with cascaded amplifiers. PDG characterizations are difficult since in a single, typical EDFA PDG is on the order of 0.1 dB and depends on polarization dependence loss (PDL) of its components. In this paper we present a new method for PDG characterization which is sensitive (0.005 dB resolution) and allows for measurements of the transient dynamics of PDG with /spl sim/10 ns time resolution.
Keywords :
erbium; optical fibre amplifiers; optical fibre losses; optical fibre polarisation; optical hole burning; optical modulation; Er-doped fiber amplifiers; cascaded amplifier systems; gain anisotropy; hole burning; performance degradations; polarization dependence loss; polarization dependent gain; polarization modulation; polarization switching; transient dynamics; Anisotropic magnetoresistance; Diode lasers; Erbium-doped fiber amplifier; Gratings; Laser excitation; Optical fiber polarization; Signal resolution; Tin;
Conference_Titel :
Lasers and Electro-Optics, 2000. (CLEO 2000). Conference on
Conference_Location :
San Francisco, CA, USA
Print_ISBN :
1-55752-634-6
DOI :
10.1109/CLEO.2000.907044
