6H-SiC phoxonic microcavities with photonic and phononic bandgaps

IF 1.1 4区 物理与天体物理 Q4 NANOSCIENCE & NANOTECHNOLOGY
Peiwen Gao, Jingzhi Wu, Yanhong Wang
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引用次数: 0

Abstract

Light propagation and acoustic vibrations can be controlled by designing the bandgap of phoxonic crystals, which support photonic and phononic bandgaps simultaneously. In this study, we numerically investigated the optical and mechanical properties of a clover-shaped 6H-SIC crystal microcavity. The results indicate that the frequency range of the phononic bandgap can be manipulated by adjusting the geometry of the structure, resulting in a wide phononic bandgap over 12 GHz centered at 30.8 GHz. The structure also supports strong localized optical modes for visible light with a Q-factor over 143. Within the photonic and phononic bandgaps of the phoxonic crystal, the structure can reduce mechanical vibrations and support a confined optical mode that can be used for trapping nanoparticles.
具有光子和声子带隙的 6H-SiC 光子微腔
通过设计同时支持光子和声子带隙的 phoxonic 晶体的带隙,可以控制光传播和声振动。在这项研究中,我们对四叶草形 6H-SIC 晶体微腔的光学和机械特性进行了数值研究。结果表明,声子带隙的频率范围可以通过调整结构的几何形状来操纵,从而产生超过 12 GHz、以 30.8 GHz 为中心的宽声子带隙。该结构还支持可见光的强局域光学模式,Q 系数超过 143。在 phoxonic 晶体的光子和声子带隙内,该结构可以减少机械振动,并支持可用于捕获纳米粒子的约束光学模式。
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来源期刊
Journal of Nanophotonics
Journal of Nanophotonics 工程技术-光学
CiteScore
2.60
自引率
6.70%
发文量
42
审稿时长
3 months
期刊介绍: The Journal of Nanophotonics publishes peer-reviewed papers focusing on the fabrication and application of nanostructures that facilitate the generation, propagation, manipulation, and detection of light from the infrared to the ultraviolet regimes.
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