We report visible (green) third-harmonic generation in silicon by launching near-infrared picosecond pulses into highly confined photonic crystal waveguides. We demonstrate slow light enhancement of this nonlinear process.
© 2009 The Optical Society
(130.0130) Integrated optics : Integrated optics
(190.0190) Nonlinear optics : Nonlinear optics
(190.4390) Nonlinear optics : Nonlinear optics, integrated optics
(130.5296) Integrated optics : Photonic crystal waveguides
C. Monat, B. Corcoran, C. Grillet, D. J. Moss, B. J. Eggleton, T. P. White, L. O'Faolain, and T. F. Krauss, "Green Light Emission in Silicon through Slow Light Enhanced Third-Harmonic Generation in Photonic Crystal Waveguides," in Conference on Lasers and Electro-Optics/International Quantum Electronics Conference, OSA Technical Digest (CD) (Optical Society of America, 2009), paper JTuF5.