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波导集成的体纳米晶超粒子激光器

Pedro Urbano Alves1, Benoit J E Guilhabert1, John R McPhillimy1

  • 1Institute of Photonics, Department of Physics, SUPA, Technology and Innovation Centre, University of Strathclyde, 99 George Street, Glasgow G1 1RD, U.K.

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概括
此摘要是机器生成的。

研究人员展示了从体量子点 (CQD) 制成的单个超粒子 (SP) 微激光打印. 这一突破使得先进的光子集成电路能够精确地放置.

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科学领域:

  • 光子学是指光子学的使用方法.
  • 材料科学 材料科学 材料科学
  • 纳米技术纳米技术

背景情况:

  • 来自合纳米晶体的超粒子 (SP) 微激光器为集成光子学提供了潜力.
  • 确定这些微激光器的集成位置是一个重大挑战.

研究的目的:

  • 为了展示单个SP微激光器的操纵和打印.
  • 为将它们集成到复杂的光子电路奠定基础.

主要方法:

  • 制造CdSxSe1-x/ZnS合量子点 (CQD) SPs (直径4-20μm) 使用油在水自组装.
  • 在532nm激发下进行光学表征,揭示625-655nm之间的激光模式.
  • 微传输打印用于精确地挑选和放置单个CQD SPs.

主要成果:

  • 制造了具有~300 Q-因子的 CQD SP.
  • 激光值在每次CQD平均2.6次激发时实现.
  • 个别的CQD SPs成功地被打印到新的基板上,而不会影响激光.
  • 证明了印刷CQD SP的模式与SU-8波导的成功合.

结论:

  • 开发的微转移打印技术使得CQD SP微激光器的确定性放置成为可能.
  • 这种方法对于制造先进的光子集成电路至关重要.
  • 结果为按需集成连贯光源铺平了道路.