飞秒激光加工的微谐振腔激光器

詹学鹏; 徐淮良; 孙洪波

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Femtosecond laser processing of microcavity lasers

首发时间：2016-03-17

ZHAN Xuepeng ¹
ZHAN Xuepeng（1989）, Male, PhD student, Microcavity laser
XU Huailiang ¹
Xu Huailiang(1973-), Male, Professor, Ultrafast laser filamentation Science, Strong-field laser physics, Laser spectroscopy
SUN Hongbo ¹
SUN Hongbo(1969-), Male, Professor, Femtosecond laser processing, Organic light-emitting devices, Ultrafast laser spectroscopy

1、State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Chagnchun, 130012

Abstract：We report on fabrications of functional microcavity lasers in soft materials such as polymer and protein by femtosecond laser processing. High-quality (Q) microdisks with the laser dye (Rhodamine B, RhB) acting as gain medium are fabricated that produce whispering-gallery-mode (WGM) lasing output. We also obtain unidirectional lasing output with a low lasing threshold in a deformed spiral microcavity at room temperature. Photonic-molecule (PM) microlasers are prepared to investigate the interaction and coupling effects of different cavities, and it is found that the distance between the two disks plays an important role in the lasing behaviors. Single-mode lasing is realized from a stacked PM microlaser through the Vernier effect. Furthermore we adopt the biocompatible materials, RhB-doped proteins as the host material and fabricate a 3D WGM microlaser, which operates well both in air and aqueous environment. The sensing of the protein microlasers to the Na2SO4 concentration is investigated. Our results of fabricating high-Q microlasers with different materials reveal the potential applications of femtosecond laser processing in the areas of integrated optoelectronic and ultrahigh sensitive bio-sensing devices.

keywords： femtosecond laser processing microcavity laser polymer protein

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飞秒激光加工的微谐振腔激光器

詹学鹏 ¹
ZHAN Xuepeng（1989）, Male, PhD student, Microcavity laser
徐淮良 ¹
Xu Huailiang(1973-), Male, Professor, Ultrafast laser filamentation Science, Strong-field laser physics, Laser spectroscopy
孙洪波 ¹
SUN Hongbo(1969-), Male, Professor, Femtosecond laser processing, Organic light-emitting devices, Ultrafast laser spectroscopy

1、集成光电子国家重点实验室，吉林大学电子科学学院

摘要：本文展示了利用飞秒激光加工技术在聚合物、蛋白质等软体材料上制备的功能性微谐振腔激光器。通过使用激光染料罗丹明B作为增益物质，制备出具有高品质因数的微腔激光器并实现了回音壁模式（WGM）激射，并展示了螺旋形变形微腔激光器在室温下的低阈值定向发射激光。利用光子分子（PM）激光器研究了不同微腔地相互作用和耦合，展示了微腔之间的距离对其出射的激光产生了显著的影响，并发现在堆叠光子分子激光器中通过Vernier效应可实现单纵模激光输出。另外，使用掺有罗丹明B的蛋白质生物相容材料作为微腔激光器主体材料，制备了三维回音壁模式激光器，展示了在空气和液体环境中激射可操作性，并研究了该器件发射激光波长在液体中与溶质硫酸钠的浓度关系。这些利用不同材料制备具有较高品质因数微腔激光器的工作揭示了飞秒激光加工技术在集成光电子器件和超高灵敏的生物探测领域所具有的潜在应用价值。

关键词：飞秒激光加工微谐振器激光器聚合物蛋白质

基金：

1. Research Fund for the Doctoral Program of Higher Education of China （20130061110047), and the Open Fund of the State Key Laboratory of High Field Laser Physics）

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ZHAN Xuepeng,XU Huailiang,SUN Hongbo. Femtosecond laser processing of microcavity lasers[EB/OL]. Beijing:Sciencepaper Online[2016-03-17]. https://www.paper.edu.cn/releasepaper/content/201603-242.

No.4679149621800145****

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论文编号	201603-242
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