Fabrication of single-mode photonic molecular microcavity laser using femtosecond laser direct writing

IF 2.2 3区物理与天体物理 Q2 OPTICS

Optics Communications Pub Date : 2025-04-28 DOI:10.1016/j.optcom.2025.131854

Mutian Li , Chao Zhang , Jin Ding , Licheng Wang , Shulin Han , Liang Chen , Yan Wang

{"title":"Fabrication of single-mode photonic molecular microcavity laser using femtosecond laser direct writing","authors":"Mutian Li , Chao Zhang , Jin Ding , Licheng Wang , Shulin Han , Liang Chen , Yan Wang","doi":"10.1016/j.optcom.2025.131854","DOIUrl":null,"url":null,"abstract":"<div><div>Currently, optical microcavities are widely applied to serve various purposes such as high-precision sensing and detection, which is due to their sensitivity to the surrounding environment. Herein, SU 8 photoresist is applied through femtosecond laser direct writing (FsLDW) to produce high-precision single-mode whispering gallery mode (WGM) microcavity resonators. During the experimental process, three microcavities with different radii (R<sub>1</sub> = 10 μm, R<sub>2</sub> = 12 μm, R<sub>3</sub> = 15 μm) are obtained by superimposing single-mode selective microcavities. Despite multiple laser modes of three microcavities with different radii, only the coexisting modes are subject to multiple internal total reflections after dissipation field coupling, which results in a single-mode laser spectrum. The research results obtained through this study are expected to contribute novel ideas to the production of single-mode photonic molecular microcavities.</div></div>","PeriodicalId":19586,"journal":{"name":"Optics Communications","volume":"587 ","pages":"Article 131854"},"PeriodicalIF":2.2000,"publicationDate":"2025-04-28","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/S0030401825003827","RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"OPTICS","Score":null,"Total":0}

引用次数: 0

Abstract

Currently, optical microcavities are widely applied to serve various purposes such as high-precision sensing and detection, which is due to their sensitivity to the surrounding environment. Herein, SU 8 photoresist is applied through femtosecond laser direct writing (FsLDW) to produce high-precision single-mode whispering gallery mode (WGM) microcavity resonators. During the experimental process, three microcavities with different radii (R₁ = 10 μm, R₂ = 12 μm, R₃ = 15 μm) are obtained by superimposing single-mode selective microcavities. Despite multiple laser modes of three microcavities with different radii, only the coexisting modes are subject to multiple internal total reflections after dissipation field coupling, which results in a single-mode laser spectrum. The research results obtained through this study are expected to contribute novel ideas to the production of single-mode photonic molecular microcavities.

查看原文本刊更多论文

利用飞秒激光直写技术制备单模光子分子微腔激光器

目前，光学微腔由于其对周围环境的敏感性，被广泛应用于高精度传感和检测等各种用途。本文通过飞秒激光直写（FsLDW）将SU 8光刻胶应用于高精度单模窃窃廊模式（WGM）微腔谐振器。在实验过程中，通过对单模选择性微腔的叠加得到了3个半径不同的微腔（R1 = 10 μm, R2 = 12 μm, R3 = 15 μm）。尽管具有不同半径的三个微腔存在多个激光模式，但在耗散场耦合后，只有共存模式发生多次内部全反射，形成单模激光光谱。本研究结果有望为单模光子分子微腔的产生提供新的思路。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

求助全文

约1分钟内获得全文求助全文

来源期刊

Optics Communications 物理-光学

CiteScore

5.10

自引率

8.30%

发文量

681

审稿时长

38 days

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.