M. Radziunas¹, E. Kuhn¹, H. Wenzel², B. King, and P. Crump²

Published in:

IEEE Photonics J., vol. 16, no. 2, art. 0601209, doi:10.1109/JPHOT.2024.3380532 (2024).

Abstract:

We discuss algorithms and numerical challenges in constructing and resolving spectral problems for photonic crystal surface-emitting lasers (PCSELs) with photonic crystal layers and large (up to several tens of mm²) emission areas. We show that finite difference schemes created using coarse numerical meshes provide sufficient accuracy for several major (lowest-threshold) modes of particular device designs. Our technique is applied to the example of large-area all-semiconductor PCSELs, showing how it can be used to optimize device performance.

Index Terms:

Modeling, numerical algorithm, calculations, PCSEL, photonic crystal, optical modes, semiconductor diode, surface-emitting laser.

©2024 The Authors. This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License. For more information, see creativecommons.org/licenses/by-nc-nd/4.0/

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