Theoretical and experimental analysis shows fardetuned four wave mixing in optical microfibers, indicating tunable signal wavelengths across a broad range.
We report a theoretical and experimental investigation of fardetuned intramodal four wave mixing (FWM) in the fundamental mode of optical microfibers (OMF) depending on their diameter. We demonstrate that the signal wavelength can be tuned over a wide spectral range simply by varying the OMF diameter. Using a pump at 1064 nm, signal wavelengths ranging from around 750 to 950 nm are generating by adjusting the OMF diameter from approximately 8.5 to 6.5 µm.
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Fanjoux et al. (2025) studied this question.
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