Interdependence of parasitic losses in photonic crystal surface emitting lasers

Jingzhao Liu; Xingyu Zhao; Zijun Bian; Paul Harvey; Scott Watson; Stephen J. Sweeney; Richard Hogg

doi:10.1063/5.0252646

Interdependence of parasitic losses in photonic crystal surface emitting lasers

Jingzhao Liu, Xingyu Zhao, Zijun Bian, Paul Harvey, Scott Watson, Stephen J. Sweeney, Richard Hogg

Aston Institute of Photonic Technologies (AiPT)

Research output: Contribution to journal › Article › peer-review

Abstract

It is common practice to use an un-pumped, PC containing region of a PCSEL to reduce in-plane optical power loss. We simulate the effect of self-absorption in this un-pumped region on parasitic losses. It is found that the in-plane loss may be zeroed for a suitably thick un-pumped PC region width. However, in such devices, the internal loss no longer has a unique value, and the dependence of the minimum total parasitic loss on a range of parameters is discussed.

Original language	English
Article number	045321
Number of pages	5
Journal	AIP Advances
Volume	15
Issue number	4
Early online date	18 Apr 2025
DOIs	https://doi.org/10.1063/5.0252646
Publication status	Published - 18 Apr 2025

Bibliographical note

Copyright © 2025 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC) license (https://creativecommons.org/licenses/by-nc/4.0/).

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J Liu_Interdependence of parasitic losses in photonic crystal surface emitting lasers
Copyright © 2025 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC) license (https://creativecommons.org/licenses/by-nc/4.0/).
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AU - Liu, Jingzhao

AU - Zhao, Xingyu

AU - Bian, Zijun

AU - Harvey, Paul

AU - Watson, Scott

AU - Sweeney, Stephen J.

AU - Hogg, Richard

N1 - Copyright © 2025 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC) license (https://creativecommons.org/licenses/by-nc/4.0/).

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AB - It is common practice to use an un-pumped, PC containing region of a PCSEL to reduce in-plane optical power loss. We simulate the effect of self-absorption in this un-pumped region on parasitic losses. It is found that the in-plane loss may be zeroed for a suitably thick un-pumped PC region width. However, in such devices, the internal loss no longer has a unique value, and the dependence of the minimum total parasitic loss on a range of parameters is discussed.

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Interdependence of parasitic losses in photonic crystal surface emitting lasers

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