Phase matching of second-harmonic generation in birefringent porous silicon

L A Golovan, V Y Timoshenko, A B Fedotov, L P Kuznetsova, D A Sidorov-Biryukov, P K Kashkarov, A M Zheltikov, D Kovalev, N Kunzner, E Gross, J Diener, G Polisski, F Koch

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Abstract

Optical second-harmonic generation is investigated in free-standing (110) porous silicon films having strong inplane birefringence. Based on the measured values of the refractive indices, the conditions of phase matching are calculated and verified in the experiments on angular and polarization dependences of second-harmonic generation. Filling pores with a transparent dielectric liquid allows phase matching to be achieved and the second-harmonic signal to be increased by two orders of magnitude. The results of these experiments suggest an opportunity to form new-type nonlinear-optical media consisting of birefringent porous silicon as a phase-matching matrix for the materials embedded in the pores.
Original languageEnglish
Pages (from-to)31-34
Number of pages4
JournalApplied Physics B-Lasers and Optics
Volume73
Issue number1
Publication statusPublished - 2001

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    Golovan, L. A., Timoshenko, V. Y., Fedotov, A. B., Kuznetsova, L. P., Sidorov-Biryukov, D. A., Kashkarov, P. K., Zheltikov, A. M., Kovalev, D., Kunzner, N., Gross, E., Diener, J., Polisski, G., & Koch, F. (2001). Phase matching of second-harmonic generation in birefringent porous silicon. Applied Physics B-Lasers and Optics, 73(1), 31-34.