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一个芯片尺度的第二和源通过自我注入锁定全光学抛光.

Marco Clementi1, Edgars Nitiss2, Junqiu Liu3

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我们开发了一种紧的芯片尺度源,通过将半导体激光器与化微共振器自注入锁定来有效地产生第二和. 这一突破使得用于集成光子学的高度连贯的光产生成为可能.

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科学领域:

  • 光子学 是一个光子学.
  • 非线性光学是非线性光学.
  • 集成光学 集成光学 集成光学

背景情况:

  • 第二和生成 (SHG) 对于光谱操纵至关重要,但通常需要重,高功率的系统.
  • 由于复杂的设置和专门的非线性晶体,当前的SHG方法在集成方面面临挑战.

研究的目的:

  • 设计一个芯片规模,高度连贯,高效的第二和源.
  • 为了克服传统的SHG系统的大规模光子集成的局限性.

主要方法:

  • 使用一个半导体激光自我注射锁定到一个高Q化微共振器.
  • 采用光诱导准相匹配通过连贯的光效应非线性响应.
  • 演示可重新配置的光学抛光用于跨C和L电信频段的SHG.

主要成果:

  • 对于基本频率,实现了41 Hz的超窄内在线宽.
  • 产生超过2mW的第二和功率,在毫瓦送下效率为280%/W.
  • 在没有抛光电极的情况下,证明了高效和可重新配置的SHG.

结论:

  • 独立的,高度连贯和高效的SH源可以集成到化光子学中.
  • 这项工作释放了下一代集成光子设备中非线性CHI () (2) 过程的潜力.