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Modeling and Simulations of Large-Area All-Semiconductor PCSELs
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DOI：10.1109/jstqe.2026.3708211.png)
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Abstract
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We investigate the dynamics of all-semiconductor photonic-crystal (PC) surface-emitting lasers (SELs) in which a two-dimensional GaAs PC layer is patterned with periodically repeating InGaP features. After optimizing the separation between the PC and a distributed Bragg reflector that reflects part of the vertically outcoupled light, we investigate the performance of PCSELs incorporating PC layers defined by large, stretched isosceles-triangle features with a height-to-base ratio of approximately 1.5. Our results provide guidance on selecting feature shapes that promote single-mode lasing and improve PCSEL efficiency.
Keywords:
Photonic crystals
semiconductor lasers
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