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Two regimes of two-beam coupling in cubic < ![IGNORE[3m crystals |
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| Authors: | Yi Hu K.H. Ringhofer B.I. Sturman |
| Affiliation: | (1) Department of Physics, University, D-49069 Osnabrück, Germany (Fax: +49-541/2670, E-mail: ringhofe@uos.de), DE;(2) International Institute for Nonlinear Studies, National Academy of Sciences, Koptyg Pr., 630000 Novosibirsk, Russia, RU |
| Abstract: | We show that in crystals of symmetry 3m (lacking optical activity) two regimes are possible for two-wave mixing in the longitudinal geometry: one regime is similar to ordinary two-wave mixing where energy exchange is always in the same direction whereas the other one is oscillatory with energy transfer in both directions. Received: 27 November 1998 / Revised version: 18 February 1999 / Published online: 12 April 1999 |
| Keywords: | PACS: 42.40 42.65 42.70 |
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