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Thickness insensitive nanocavities for 2D heterostructures using photonic molecules

التفاصيل البيبلوغرافية
العنوان: Thickness insensitive nanocavities for 2D heterostructures using photonic molecules
المؤلفون: Ji Peirui, Qian Chenjiang, Finley Jonathan J., Yang Shuming
المصدر: Nanophotonics, Vol 12, Iss 17, Pp 3501-3510 (2023)
بيانات النشر: De Gruyter, 2023.
سنة النشر: 2023
المجموعة: LCC:Physics
مصطلحات موضوعية: 2d heterostructure, mode coupling, nanocavity, photonic molecule, Physics, QC1-999
الوصف: Two-dimensional (2D) heterostructures integrated into nanophotonic cavities have emerged as a promising approach towards novel photonic and opto-electronic devices. However, the thickness of the 2D heterostructure has a strong influence on the resonance frequency of the nanocavity. For a single cavity, the resonance frequency shifts approximately linearly with the thickness. Here, we propose to use the inherent non-linearity of the mode coupling to render the cavity mode insensitive to the thickness of the 2D heterostructure. Based on the coupled mode theory, we reveal that this goal can be achieved using either a homoatomic molecule with a filtered coupling or heteroatomic molecules. We perform numerical simulations to further demonstrate the robustness of the eigenfrequency in the proposed photonic molecules. Our results render nanophotonic structures insensitive to the thickness of 2D materials, thus owing appealing potential in energy- or detuning-sensitive applications such as cavity quantum electrodynamics.
نوع الوثيقة: article
وصف الملف: electronic resource
اللغة: English
تدمد: 2192-8614
76094022
Relation: https://doaj.org/toc/2192-8614
DOI: 10.1515/nanoph-2023-0347
URL الوصول: https://doaj.org/article/e6cd5b2c76094022941f2d7442dc90ea
رقم الأكسشن: edsdoj.6cd5b2c76094022941f2d7442dc90ea
قاعدة البيانات: Directory of Open Access Journals
الوصف
تدمد:21928614
76094022
DOI:10.1515/nanoph-2023-0347