Abstract
Polarization dependent gains (PDGs) in the EDFA degrade the performance of the long haul transmission systems. PDGs are resulted from the polarization selective pumping and the polarization hole burning (PHB) which is occurred when a linearly polarized strong signal is amplified.1 Active polarization scrambling methods have been applied to suppress PHB.2–4 In this paper, we demonstrated a simple passive PHB suppression method by converting a polarized signal into an unpolarized signal using a Michelson interferometer which is consisted of a polarization beam splitter and two faraday rotator mirrors.
© 1995 IEEE
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