Abstract
The temperature dependence of a Faraday rotator mirror (FRM) used in a reflective erbium doped fiber amplifier(R-EDFA) is reported in this paper. The influence of this dependence on the polarization state (PS) of amplified optical signals is also discussed.
Highlights
Erbium Doped Fiber (EDF) has attracted attention in both sensing and telecommunication fields
Experimental results The extinction ratio coefficient was used to theoretically demonstrate the polarization state (PS) changes of the optical signal induced by temperature fluctuations at the Faraday rotator mirror (FRM)
The results suggest that the FRM effectively cancels the effects of the linear birefringence
Summary
Erbium Doped Fiber (EDF) has attracted attention in both sensing and telecommunication fields. This is due to its excellent characteristics for optical amplification. In digital optical fiber communications, EDF polarization phenomena [1] are important limiting factors to high-speed long-distance systems. These so-called polarization phenomena include polarization mode dispersion (PMD), polarization hole burning (PHB), polarization-dependent gain (PDG) and. Fluctuations in the PS of the optical signal [2] can degrade the quality of the measurements made with optical fiber sensors This is especially true for those techniques based on interferometry and polarimetry, where an EDF can be used to enhance both sensitivity and accuracy
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