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Calculation of optical modes in large emission area photonic crystal surface-emitting lasers

M. Radziunas1, E. Kuhn1, H. Wenzel2, B. King2, and P. Crump2

Published in:

Int. Conf. on Numerical Simulation of Optoelectronic Devices (NUSOD), Turin, Italy, Sep 18-21, ISBN 979-8-3503-1429-8, pp. 89-90 (2023).

Abstract:

We discuss numerical challenges in constructing and resolving spectral problems for photonic crystal surface-emitting lasers with large (up to several mm2) emission area. We show that finite difference schemes with moderate and large domain discretization steps provide sufficient accuracy of several major (lowest-threshold) modes of particular device designs.

1 Weierstrass Institute (WIAS), Mohrenstrasse 39, 10117 Berlin, Germany
2 Ferdinand-Braun-Institut (FBH), Gustav-Kirchhoff-Str. 4, 12489 Berlin, Germany

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