用于腔光力学的可变形二维光子晶体平板
Deformable two-dimensional photonic crystal slab for cavity optomechanics
摘要：
我们设计了具有最佳光学和机械性能的光子晶体悬浮膜用于腔光学力学。这样的谐振器以几千的品质因数维持兆赫范围内的振动模式。由于孔的二维正方形晶格，它们在1064 nm处垂直入射时的反射率高达95%。这两个特点，加上薄膜的质量很小，为在法布里-珀罗腔中使用诸如可变形端面镜的周期性结构来研究腔的光机效应开辟了道路
英文摘要：
We have designed photonic crystal suspended membranes with optimized optical and mechanical properties for cavity optomechanics. Such resonators sustain vibration modes in the megahertz range with quality factors of a few thousand. Thanks to a two-dimensional square lattice of holes, their reflectivity at normal incidence at 1064 nm reaches values as high as 95%. These two features, combined with the very low mass of the membrane, open the way to the use of such periodic structures as deformable end-mirrors in Fabry-Perot cavities for the investigation of cavity optomechanical effects
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