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We report our recent study of quasi-phase-matched (QPM) second- and third-harmonic generation (SHG, THG) in a domain-inverted optical superlattice LiTaO/sub 3/ crystal. A generalized Fibonacci ferroelectric quasiperiodic optical superlattice (QPOS) was constructed using two building blocks, each composed of a pair of oppositely polarized domains. The(More)
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