Acta Optica Sinica, Volume. 17, Issue 6, 697(1997)
Double Two-Wave Mixing with Low Modulation: II. Coupling Theory
We theoretically investigate a mixing configuration defined as double two wave mixing, which consists of two sets of two mutually beams interacting with the same photorefractive volume. Coupled wave analysis shows that in certain relationships between the two primary gratings′ wavevectors, the coupling behavior of the two pairs beams will be seriously influenced by the 2 order (2K1 and 2K2) and the cross gratings.
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[in Chinese], [in Chinese]. Double Two-Wave Mixing with Low Modulation: II. Coupling Theory[J]. Acta Optica Sinica, 1997, 17(6): 697