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Optical harmonic generation in a three-component Fibonacci optical superlattice (3CFOS) is studied experimentally. Quasi-phase-matched second-harmonic spectrum and third-harmonic generation have been measured in a LiTaO3 3CFOS. Results show that the structure of the spectrum in a 3CFOS is richer than that in a two-component Fibonacci optical superlattice. The intrinsic self-similarity is shown in its Fourier spectrum.
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Chen et al. (2001) studied this question.
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