Experimental demonstration shows a 2-Gbit/s mid-infrared link with two OAM channels, indicating low crosstalk.
We experimentally demonstrate a 2-Gbit/s IM/DD mid-infrared MDM link by nonlinear wavelength conversion from near-infrared. Two OAM channels with tunable mode orders are generated using a single wavelength converter, and the channel crosstalk is below -13 dB.
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Zuo et al. (2025) studied this question.
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