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17 March 2023 Spectral emissivity prediction in multi-resonant metamaterials using temporal coupled-mode theory
Romil Audhkhasi, Michelle L. Povinelli
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Proceedings Volume PC12431, Photonic and Phononic Properties of Engineered Nanostructures XIII; PC124310S (2023) https://doi.org/10.1117/12.2647295
Event: SPIE OPTO, 2023, San Francisco, California, United States
Abstract
The ability to design multi-resonant thermal emitters is essential to the advancement of a wide variety of applications, including thermal management and sensing. These fields would greatly benefit from the development of efficient tools for predicting the spectral response of coupled, multi-resonator systems. In this work, we propose a semi-analytical prediction tool based on coupled-mode theory. We demonstrate the accuracy of our method by predicting and optimizing spectral response of a coupled, multi-resonator system based on hBN ribbons. Our approach greatly reduces the computational overhead associated with spectral design tasks in multi-resonator systems in addition to providing valuable physical insights.
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Romil Audhkhasi and Michelle L. Povinelli "Spectral emissivity prediction in multi-resonant metamaterials using temporal coupled-mode theory", Proc. SPIE PC12431, Photonic and Phononic Properties of Engineered Nanostructures XIII, PC124310S (17 March 2023); https://doi.org/10.1117/12.2647295
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KEYWORDS
Metamaterials
Numerical analysis
Complex systems
Computing systems
Resonators
Thermal sensing
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