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The competition between multi-frequency Raman generation and four-wave mixing is investigated by studying the spectral properties of the high-order, anti-Stokes orders.
We report continuous-wave wavelength conversion from the telecom band to the mid-infrared via four-wave mixing in silicon nanowaveguides. We convert a 1636-nm signal to produce a 2384-nm idler, demonstrating a parametric bandwidth of 748 nm.
We demonstrate an increase of nearly 10 dB in the efficiency of broadband wavelength conversion via four-wave mixing in silicon nanowaveguides by incorporating a p-i-n structure and applying modest voltages to remove the free carriers.
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