Experiment reveals phase shifts of up to 0.3 π in telecom light using cross-phase modulation, suggesting efficiency improvements in optical switching.
We perform cross-phase modulation (XPM) on a silicon photonic chip with a mid-infrared pump and modulate telecom C-band light. XPM and free-carrier dispersion (FCD) phase shifts up to ≈ 0.08 π and ≈ 0.3 π are observed.
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Deacon et al. (2025) studied this question.
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