Efficient finite-element-based numerical modelling of large sub-wavelength patterned optical structures

Martin Hammerschmidt; Jakub Pabisiak; Ana Cristina Perez-Gea; Nicholas Julian; Sean Hon; Sven Burger

doi:10.1117/12.2292438

21 February 2018 Efficient finite-element-based numerical modelling of large sub-wavelength patterned optical structures

Martin Hammerschmidt, Jakub Pabisiak, Ana Cristina Perez-Gea, Nicholas Julian, Sean Hon, Sven Burger

Author Affiliations +

Proceedings Volume 10542, High Contrast Metastructures VII; 105421G (2018) https://doi.org/10.1117/12.2292438
Event: SPIE OPTO, 2018, San Francisco, California, United States

Abstract

Sub-wavelength patterned structures like cavity resonator integrated grating filters are relevant in various optical applications. Due to their highly resonant nature and due to their relatively large size it can be demanding to perform accurate optical simulations for such devices. In this contribution we investigate performance of hp finite-element based methods for this simulation problem. We demonstrate numerical convergence of the obtained solutions up to very high accuracy levels. We compare performance of our methods to results from the literature and investigate the influence of physical parameters on device performance, enhancing the Q-factor and reducing the horizontal size of the device.

Citation Download Citation

Martin Hammerschmidt, Jakub Pabisiak, Ana Cristina Perez-Gea, Nicholas Julian, Sean Hon, and Sven Burger "Efficient finite-element-based numerical modelling of large sub-wavelength patterned optical structures", Proc. SPIE 10542, High Contrast Metastructures VII, 105421G (21 February 2018); https://doi.org/10.1117/12.2292438

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