论文标题
第二个谐波生成由光子线波导中的纵向电场组件启用
Second Harmonic Generation Enabled by Longitudinal Electric Field Components in Photonic Wire Waveguides
论文作者
论文摘要
我们研究了与晶体学轴对齐的III-V半导体线波导中I型第二次谐波产生。在这个方向上，由于III-V半导体的单个非零张量元件，仅允许通过与光场的纵向成分混合来转换频率。我们通过实验研究传播方向对转换效率的影响，并通过激发纵向的第二次谐波高阶模式来确认纵向成分的作用。
We investigate type I second harmonic generation in III-V semiconductor wire waveguides aligned with a crystallographic axis. In this direction, because of the single nonzero tensor element of III-V semiconductors, only frequency conversion by mixing with the longitudinal components of the optical fields is allowed. We experimentally study the impact of the propagation direction on the conversion efficiency and confirm the role played by the longitudinal components through the excitation of an antisymmetric second harmonic higher order mode.
