Nonlinear optical phenomena occur when the response of a material system to an applied optical field depends nonlinearly on the strength of the applied field. The subsequent interaction of the optical field with this nonlinear response generates a myriad of interesting physical processes. In some applications, these nonlinear processes are merely limitations to the performance of linear systems, whereas in photonics, nonlinear processes promise to be much more. Applications of nonlinear optics include the frequency doubling of semiconductor lasers, the generation of ultrashort laser pulses, dispersion compensation in communication systems, and all-optical switching. In this chapter, we provide a brief summary of this field, emphasizing important results and qualitative features. A more complete, pedagogical introduction to nonlinear optics is presented in Boyd (1992). The reader is also directed to the textbooks by Shen (1984), Butcher and Cotter (1990), and Zernike and Midwinter (1973).
CITATION STYLE
Stentz, A. J., & Boyd, R. W. (2006). Nonlinear optics. In The Handbook of Photonics, Second Edition (pp. 5-1-5–26). CRC Press. https://doi.org/10.1063/1.3615276
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