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首页> 外文期刊>Optics Communications: A Journal Devoted to the Rapid Publication of Short Contributions in the Field of Optics and Interaction of Light with Matter >Nonlinear characterization and modeling of periodically poled lithium niobate waveguides for 1.5-μm-band cascaded wavelength conversion
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Nonlinear characterization and modeling of periodically poled lithium niobate waveguides for 1.5-μm-band cascaded wavelength conversion

机译：1.5μm频带级联波长转换的周期性极化铌酸锂波导的非线性表征和建模

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摘要

We present a nonlinear characterization of annealed-proton-exchange lithium niobate channel waveguides in view of their application for wavelength shifting in wavelength division multiplexing systems. We exploit second harmonic generation as a very sensitive technique to test waveguide uniformity and optical quality. The experimental results are successfully compared with those obtained using numerical simulations based on the finite element method. The analysis suggests useful criteria for the optimization of the fabrication parameters in order to enhance the efficiency of wavelength conversion processes.
机译：考虑到质子交换铌酸锂通道波导在波分复用系统中的波长偏移的应用，我们提出了一种非线性表征。我们将二次谐波的产生作为一种非常灵敏的技术来测试波导均匀性和光学质量。实验结果与基于有限元数值模拟的结果进行了比较。分析为优化制造参数提出了有用的标准，以提高波长转换过程的效率。

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