多分形光子膜中光波的定位景观

IF 2.8 3区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Optical Materials Express Pub Date : 2024-03-21 DOI:10.1364/ome.520201

Tornike Shubitidze, Yilin Zhu, Hari Sundar, and Luca Dal Negro

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引用次数: 0

摘要

本文研究了具有多分形散射势的无序系统中光波的局域化特性。特别是，我们将局域景观理论应用于经典亥姆霍兹算子，并在不解决相关特征问题的情况下，准确预测了一维和二维多分形结构的局域特征模式。最后，我们在氮化硅（SiN）中设计并制造了纳米穿孔光子膜，并在可见光谱范围内使用漏模光谱法直接对其多分形模式进行成像。测量数据显示了具有多尺度强度波动的光学共振，与数值模拟具有良好的定性一致性。所提出的方法为设计多分形光子膜提供了一种便捷的策略，能够快速探索具有定制无序性的扩展散射结构，从而增强光物质之间的相互作用。

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Localization landscape of optical waves in multifractal photonic membranes

In this paper, we investigate the localization properties of optical waves in disordered systems with multifractal scattering potentials. In particular, we apply the localization landscape theory to the classical Helmholtz operator and, without solving the associated eigenproblem, show accurate predictions of localized eigenmodes for one- and two-dimensional multifractal structures. Finally, we design and fabricate nanoperforated photonic membranes in silicon nitride (SiN) and image directly their multifractal modes using leaky-mode spectroscopy in the visible spectral range. The measured data demonstrate optical resonances with multiscale intensity fluctuations in good qualitative agreement with numerical simulations. The proposed approach provides a convenient strategy to design multifractal photonic membranes, enabling rapid exploration of extended scattering structures with tailored disorder for enhanced light-matter interactions.

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来源期刊

Optical Materials Express MATERIALS SCIENCE, MULTIDISCIPLINARY-OPTICS

CiteScore

5.50

自引率

3.60%

发文量

377

审稿时长

1.5 months

期刊介绍： The Optical Society (OSA) publishes high-quality, peer-reviewed articles in its portfolio of journals, which serve the full breadth of the optics and photonics community. Optical Materials Express (OMEx), OSA''s open-access, rapid-review journal, primarily emphasizes advances in both conventional and novel optical materials, their properties, theory and modeling, synthesis and fabrication approaches for optics and photonics; how such materials contribute to novel optical behavior; and how they enable new or improved optical devices. The journal covers a full range of topics, including, but not limited to: Artificially engineered optical structures Biomaterials Optical detector materials Optical storage media Materials for integrated optics Nonlinear optical materials Laser materials Metamaterials Nanomaterials Organics and polymers Soft materials IR materials Materials for fiber optics Hybrid technologies Materials for quantum photonics Optical Materials Express considers original research articles, feature issue contributions, invited reviews, and comments on published articles. The Journal also publishes occasional short, timely opinion articles from experts and thought-leaders in the field on current or emerging topic areas that are generating significant interest.