Small optical third-order nonlinearities of waveguides like hollow-core photonic crystal fibers are characterized using a femtosecond four-wave-mixing scheme. Possible perturbations arising from acoustical and optical phonons are suppressed by low-frequency operation.
© 2006 Optical Society of America
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2270) Fiber optics and optical communications : Fiber characterization
(190.0190) Nonlinear optics : Nonlinear optics
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
E. Benkler, A. Springhoff, and H. R. Telle, "Highly Sensitive Measurement of Small Optical Nonlinearities by Heterodyne-Detected Four-Wave-Mixing," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2006), paper CFK4.
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