Bound states in the continuum compact terahertz lasers

Qijie Wang

doi:10.1117/12.3029850

2 October 2024 Bound states in the continuum compact terahertz lasers

Qijie Wang

Author Affiliations +

Proceedings Volume PC13141, Terahertz Emitters, Receivers, and Applications XV; PC1314101 (2024) https://doi.org/10.1117/12.3029850
Event: Optical Engineering + Applications, 2024, San Diego, California, United States

Abstract

Highly compact laser sources with low threshold, exceptional directivity, and single-mode operation are in great demand for on-chip integrated photonics. Photonic bound states in the continuum (BIC) are peculiar nonradiative localized modes that have theoretically infinite lifetime within the radiation continuum, making it a favorable candidate for pursuing single-mode, low-threshold, and surface-emitting lasers. In this presentation, I will introduce several electrically pumped Terahertz semiconductor lasers we have developed based on the BIC concepts for achieving high Q and low laser thresholds in compact cavities while achieving single mode operations, which would be promising as monolithically integrated laser sources.

Conference Presentation

Citation Download Citation

Qijie Wang "Bound states in the continuum compact terahertz lasers", Proc. SPIE PC13141, Terahertz Emitters, Receivers, and Applications XV, PC1314101 (2 October 2024); https://doi.org/10.1117/12.3029850

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