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This work investigates how Erbium-Doped Fiber Amplifiers alter light's phase in optical fiber, suggesting significant effects on polarization.
This work studies the influence of an Erbium-Doped Fiber Amplifier (EDFA) on the phase variation of light in an optical fiber. To this end, the state of polarization (SOP) was measured as a function of optical power by adjusting the EDFA amplification, for two different laser output powers (2 dBm and 5 dBm). Results show that phase variation correlates with changes in optical power in both cases.
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Teixeira et al. (2025) studied this question.
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