Broadband characterization reveals accurate measurements of mode-dependent loss in few-mode fiber, indicating polarization management efficiency.
We demonstrate broadband characterization of 7-km elliptical-core few-mode fiber using an optical vector network analyzer optimized with a Faraday mirror. We show mitigation of polarization-induced fading, enabling accurate measurements of mode-dependent loss and insertion loss.
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Kalla et al. (2025) studied this question.
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