论文标题
氧化钒金属绝缘子相变，不同类型的一维光子微腔
Vanadium oxide metal-insulator phase transition in different types of one-dimensional photonic microcavities
论文作者
论文摘要
可以通过金属 - 绝缘体过渡来调整二氧化钒（$ vo_2 $）的光学特性。在这项工作中，已经研究了在900 nm至2000 nm之间的光谱范围内研究了不同类型的一维光子结构的微腔。特别是，$ vo_2 $夹在以下之间：i）两个由$ sio_2 $和$ zro_2 $制成的光子晶体； ii）遵循thue-morse序列的两种由$ sio_2 $和$ zro_2 $制成的两个基因结构； iii）两个无序的光子结构，由$ sio_2 $和$ zro_2 $制成，其中该疾病是由两种材料的随机序列或层厚度的随机变化引入的； iv）两个由$ sio_2 $，$ al_2o_3 $，$ y_2o_3 $和$ zro_2 $制成的两个基于材料的光子晶体。有序的结构I和IV分别显示了具有缺陷模式的一个和两个强烈的传输谷，而上的和无序的结构II和III则显示出由于其复杂的分层配置而显示了传输谷的歧管。由温度控制的$ vo_2 $的金属胰岛素过渡导致微腔的光学特性的调节。
The optical properties of vanadium dioxide ($VO_2$) can be tuned via metal-insulator transition. In this work different types of one-dimensional photonic structure-based microcavities that embed vanadium dioxide have been studied in the spectral range between 900 nm and 2000 nm. In particular, $VO_2$ has been sandwiched between: i) two photonic crystals made of $SiO_2$ and $ZrO_2$; ii) two aperiodic structures made of $SiO_2$ and $ZrO_2$ that follow the Thue-Morse sequence; iii) two disordered photonic structures, made of $SiO_2$ and $ZrO_2$ in which the disorder is introduced either by a random sequence of the two materials or by a random variation of the thicknesses of the layers; iv) two four material-based photonic crystals made of $SiO_2$, $Al_2O_3$, $Y_2O_3$, and $ZrO_2$. The ordered structures i and iv show, respectively, one and two intense transmission valleys with defect modes, while the aperiodic and disordered structures ii and iii show a manifold of transmission valleys due to their complex layered configurations. The metal-insulator transition of $VO_2$, controlled by temperature, results in a modulation of the optical properties of the microcavities.
