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Cascaded frequency doubling and electro-optic coupling in a single optical superlattice

机译:单个光学超晶格中的级联倍频和电光耦合

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摘要

Frequency doubling and electro-optic (EO) coupling are cascaded in a single optical superlattice due to simultaneous modulation of nonlinear and EO coefficients. The coupling equations are deduced and analyzed, and simulations in both periodic and quasi-periodic structures are presented. The results show that both polarization and magnitude of the second harmonic can be manipulated by an external DC electric field, which is useful when simultaneous frequency conversion and signal tuning are desired.
机译:由于同时对非线性和EO系数进行调制,倍频和电光(EO)耦合级联在单个光学超晶格中。推导和分析了耦合方程,并给出了周期和准周期结构的仿真。结果表明,可以通过外部直流电场来控制二次谐波的极化和幅度,这在需要同时进行频率转换和信号调谐时非常有用。

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