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增强共振器的分布式布拉格反射激光器.

Di Yu1, Zhaoting Geng1, Yuhao Huang1

  • 1Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong, China.

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我们开发了新的共振器增强分布式布拉格反射器 (RE-DBR) 激光器,用于集成光子学. 这些激光器提供了超窄的线宽和广泛的可调性,克服了高相干光源之前的局限性.

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科学领域:

  • 光子学和光学工程的工程.
  • 集成光学 集成光学 集成光学
  • 激光物理 激光物理

背景情况:

  • 窄线宽激光器对于光通信,计量学和微波光子学至关重要.
  • 集成激光平台面临线宽,调整性和强度之间的权衡.
  • 现有的解决方案往往会牺牲在一个领域的性能,以实现在其他领域的收益.

研究的目的:

  • 引入和展示一类新的集成激光器,克服传统的局限性.
  • 为了实现超狭窄的线宽,广泛的模式跳跃无调性,和交钥匙操作同时.
  • 为了提供一个具有成本效益的,高性能替代体积庞大的桌面激光器.

主要方法:

  • 开发一个共振器增强的分布式布拉格反射器 (RE-DBR) 激光架构.
  • 整合一个网格辅助环共振器作为一个紧的外部腔体,用于反.
  • 对RE-DBR激光器性能特征的实验演示.

主要成果:

  • 演示了具有24 Hz洛伦兹线宽的RE-DBR激光器.
  • 实现了34GHz模式跳转无需调范围.
  • 证实了具有4毫米2以下足迹的通用交钥匙可操作性.

结论:

  • RE-DBR激光器规避了传统DBR激光器固有的线宽调节性权衡.
  • 这些激光器在广泛的调范围内保持高光学连贯性和稳定的运行.
  • RE-DBR激光器代表了集成,高连贯性光源的重大进步.