Shundong Qu , Yanzhong Chen , Zecheng Lei , Yaodong Qi , Feng Yuan , Jisi Qiu , Hao Liu , Haocheng Wang , Tianli Yang , Xue Zhang , Zhongwei Fan
{"title":"Geometric route solving of the observed parasitic oscillation and analysis of parasitic oscillation suppression in an end-pumped zigzag slab laser","authors":"Shundong Qu , Yanzhong Chen , Zecheng Lei , Yaodong Qi , Feng Yuan , Jisi Qiu , Hao Liu , Haocheng Wang , Tianli Yang , Xue Zhang , Zhongwei Fan","doi":"10.1016/j.optcom.2025.131736","DOIUrl":null,"url":null,"abstract":"<div><div>The parasitic oscillations in an end-pumped zigzag slab laser are analyzed. The specific geometric route of the parasitic oscillation observed in experiment is deduced in detail for the first time. A numerical analysis of the gain and loss along the parasitic oscillations route is performed, and the critical condition of parasitic oscillations is calculated. The coating technology is employed to increase the losses along the parasitic oscillations route to suppress parasitic oscillations. The maximum output power of a short resonant cavity of the slab module and the maximum small signal gain of the slab amplifier increase by 21.4% and 17.4% after the suppression of parasitic oscillations, respectively.</div></div>","PeriodicalId":19586,"journal":{"name":"Optics Communications","volume":"583 ","pages":"Article 131736"},"PeriodicalIF":2.5000,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Optics Communications","FirstCategoryId":"101","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0030401825002640","RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2025/3/8 0:00:00","PubModel":"Epub","JCR":"Q2","JCRName":"OPTICS","Score":null,"Total":0}
引用次数: 0
Abstract
The parasitic oscillations in an end-pumped zigzag slab laser are analyzed. The specific geometric route of the parasitic oscillation observed in experiment is deduced in detail for the first time. A numerical analysis of the gain and loss along the parasitic oscillations route is performed, and the critical condition of parasitic oscillations is calculated. The coating technology is employed to increase the losses along the parasitic oscillations route to suppress parasitic oscillations. The maximum output power of a short resonant cavity of the slab module and the maximum small signal gain of the slab amplifier increase by 21.4% and 17.4% after the suppression of parasitic oscillations, respectively.
期刊介绍：
Optics Communications invites original and timely contributions containing new results in various fields of optics and photonics. The journal considers theoretical and experimental research in areas ranging from the fundamental properties of light to technological applications. Topics covered include classical and quantum optics, optical physics and light-matter interactions, lasers, imaging, guided-wave optics and optical information processing. Manuscripts should offer clear evidence of novelty and significance. Papers concentrating on mathematical and computational issues, with limited connection to optics, are not suitable for publication in the Journal. Similarly, small technical advances, or papers concerned only with engineering applications or issues of materials science fall outside the journal scope.
京公网安备 11010802042870号
京ICP备2023020795号-1
分享
求助内容：
应助结果提醒方式：
扫码关注我们
