We demonstrate broadband continuous-wave frequency conversion to the mid-infrared region via four-wave mixing in silicon nanowaveguides. We measure a 3-dB conversion bandwidth of over 350 nm.
R. K. Lau, M. Ménard, Y. Okawachi, M. A. Foster, A. C. Turner-Foster, R. Salem, M. Lipson, and A. L. Gaeta, "Mid-infrared Broadband Continuous-wave Parametric-mixing in Silicon Nanowaveguides," in Frontiers in Optics 2010/Laser Science XXVI, OSA Technical Digest (CD) (Optical Society of America, 2010), paper FTuC3.
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