标题： 平面双曲超材料中的场效应可调性 显示英文标题

标题： Field-effect induced tunability in planar hyperbolic metamaterials

摘要： 我们证明，利用场效应来调节层状双曲超材料的有效光学参数，会在光学范围内导致其色散特性的拓扑转变。 场效应栅极通过载流子密度的变化，在透明导电氧化物中电调制介电常数。 这些介电常数的变化导致有效电磁参数沿~200%的主动极端调制，同时实现对双曲超材料各向异性色散面的主动控制，并能够开启和关闭光子带隙。 显示英文摘要

摘要： We demonstrate that use of the field effect to tune the effective optical parameters of a layered hyperbolic metamaterial leads to topological transitions in its dispersion characteristics in the optical regime. Field effect gating electrically modulates the permittivity in transparent conductive oxides via changes in the carrier density. These permittivity changes lead to active extreme modulation of ~200% of the effective electromagnetic parameters along with active control of the anisotropic dispersion surface of hyperbolic metamaterials and enable the opening and closing of photonic band gaps.