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双色半导体模式锁定激光系统用于多光子成像应用.

Srinivas Varma Pericherla1,2, Chinmay Shirpurkar1, Lawrence Trask1

  • 1College of Optics and Photonics, University of Central Florida, Orlando, FL 32816 USA.

IEEE photonics technology letters : a publication of the IEEE Laser and Electro-optics Society
|June 12, 2023
PubMed
概括

我们开发了一种全新的半导体模式锁定激光系统. 这种双色激光发出同步的皮秒脉冲,对于非线性光学应用至关重要.

关键词:
半导体光学放大器 半导体光学放大器强度 交叉相关性 交叉相关性锁定模式的激光器两个光子光的光.

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科学领域:

  • 光学和光子学 在光学和光子学.
  • 半导体激光器半导体激光器
  • 超快的激光器 超快的激光器

背景情况:

  • 模式锁定激光器对于产生超短光脉冲至关重要.
  • 半导体光学放大器为激光系统提供了一个紧而高效的增益介质.

研究的目的:

  • 为了演示一个全半导体模式锁定激光系统.
  • 为了实现同步的双波长皮秒脉冲生成.
  • 为了实现非线性光学应用的高峰功率密度.

主要方法:

  • 使用了两个外部空腔模式锁定激光器.
  • 采用半导体光学放大器作为增益介质.
  • 在834nm和974nm实现了同步脉冲列车.

主要成果:

  • 产生的皮秒脉冲平均功率为25mW和60mW.
  • 达到超过100W和80W的峰值功率.
  • 在282MHz的同步脉冲中表现出7.3ps的相对时间动.
  • 获得了带有光纤合输出的TEM00模式配置文件.
  • 通过将光束聚焦到4μm的点,实现了高于1GW/cm2的峰值功率密度.

结论:

  • 全半导体模式锁定激光系统提供了一个强大的平台,用于生成同步的双波长皮秒脉冲.
  • 实现的高峰功率密度适用于令人兴奋的光学非线性.
  • 这项技术在非线性光学,光谱学和光通信方面有潜在的应用.