Resolving height-dependent slab modes for nanowire photonic crystal lasers.

Authors

Mengfan Jiang, Mohammad Vafadar, Songrui Zhao

Published in

Optics letters. Volume 51. Issue 22. Pages 6143-6146. Nov 15, 2026. Epub Oct 21, 2026.

Abstract

Nanowire photonic crystals (PCs) provide a promising platform for technically challenging surface-emitting lasers. Conventionally, the design of such nanolasers mainly uses two-dimensional (2D) unit cell band calculations, which are known not to be able to capture vertical optical properties in finite-height structures. Herein, we provide a finite-height slab-mode analysis and clarify how the slab-mode evolves with changing the nanowire height and the corresponding reduced frequencies at Γ point. The correlation of this refined picture to an experimental surface-emitting nanowire PC ultraviolet (UV) laser is also discussed. It is found that an additional band might need to be considered in the design, which is not captured by the 2D picture. This study advances the development of nanowire PC lasers.

PMID:
43024410
Bibliographic data and abstract were imported from PubMed on 14 Nov 2026.

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