Effects of top layer inhomogeneities on the performance of Fabry-Perot cavities and open resonators based on distributed Bragg reflectors

K. Papatryfonos; E. R. Cardozo de Oliveira; N. D. Lanzillotti-Kimura

doi:10.1117/12.3022009

20 June 2024 Effects of top layer inhomogeneities on the performance of Fabry-Perot cavities and open resonators based on distributed Bragg reflectors

K. Papatryfonos, E. R. Cardozo de Oliveira, N. D. Lanzillotti-Kimura

Author Affiliations +

Proceedings Volume 12999, Optical Sensing and Detection VIII; 1299912 (2024) https://doi.org/10.1117/12.3022009
Event: SPIE Photonics Europe, 2024, Strasbourg, France

Abstract

Optical and acoustic resonators utilizing distributed Bragg reflectors (DBRs) are pivotal in advancing technologies ranging from lasers to quantum computing. Under ideal, smooth interface conditions, the efficiency of these resonators, quantified by their quality factor, primarily depends on the number of DBR pairs. However inhomogeneities of the top layer thickness commonly occur, either during growth or fabrication, and is even more severe when a dielectric material is deposited on the top of the samples, for example in responsive resonators. This study analyzes the effects of such inhomogeneities on the resonators’ quality factor in the case where the nanometer-scale vertical dimension of the inhomogeneities is significantly shorter than their lateral scale. Employing an analytical approach, we demonstrate that such inhomogeneities can significantly degrade the quality factor, imposing a practical limit to its enhancement irrespective of the DBR pairs added.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

K. Papatryfonos, E. R. Cardozo de Oliveira, and N. D. Lanzillotti-Kimura "Effects of top layer inhomogeneities on the performance of Fabry-Perot cavities and open resonators based on distributed Bragg reflectors", Proc. SPIE 12999, Optical Sensing and Detection VIII, 1299912 (20 June 2024); https://doi.org/10.1117/12.3022009

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