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The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry
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在芯片上E00-E20模式转换器基于多模式干扰仪.

Yuan Zhang1, Yuexin Yin2, Yingzhi Ding2

  • 1School of Physics, Changchun University of Science and Technology, Changchun 130022, China.

Micromachines
|May 27, 2023
PubMed
概括

本研究介绍了一种基于MMI的新型模式转换器,用于模式分割复杂化 (MDM) 系统. 该设备表现出高转换效率和制造容忍度,对光学网络来说是有前途的.

关键词:
集成光学 集成光学集成光学设备的集成光学设备.模式转换器模式转换器多模干扰干扰多模干扰

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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
  • 波导技术技术 波导技术

背景情况:

  • 模式转换器对于模式划分多重复合 (MDM) 系统至关重要,能够实现先进的信号处理和多模式转换.
  • 现有的模式转换器经常面临着制造容忍度和带宽限制的挑战.
  • PLC (平面光波电路) 平台为集成光子设备提供了坚固的基础.

研究的目的:

  • 提出并实验验证一种基于MMI的新型模式转换器.
  • 为了实现从E00模式到E20模式的高效转换.
  • 为了证明高制造容忍度和广泛的带宽,用于实际应用.

主要方法:

  • 在2%-ΔPLC平台上设计和制造基于MMI的模式转换器.
  • 在波长范围 (1500-1600 nm) 的转换效率的实验性表征.
  • 在多模波导长度和相位变换器宽度的变化下,对转换效率降低的评估.

主要成果:

  • 基于MMI的模式转换器成功地将E00模式转移到E20模式.
  • 转换效率在1500nm至1600nm波长范围内超过-1.741dB.
  • 测量转换效率在1550nm达到-0.614dB,在制造变化下,效率降解小于0.713dB.

结论:

  • 提出的基于MMI的模式转换器表现出卓越的性能,包括高转换效率和宽带宽.
  • 该设备表现出显著的制造容忍度,使其适合大规模生产.
  • 这项技术对推进芯片内光学网络和商业光子应用具有前景.