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Ultracompact photonic circuits without cladding layers

  • 发布时间:2022-05-15
  • 点击次数:
  • 发表刊物:Physical Review X
  • 摘要:Cladding layers of waveguides prevent interchannel interference yet are unfavorable for the integration of photonic circuits. Here, we report the realization of ultracompact waveguide arrays, bends, and circuits with essentially zero interchannel separation. This supercompactness is achieved via arrays of waveguides with shifted spatial dispersions, where each waveguide functions as both the transmission channel and an effective “cladding layer” of its neighboring waveguides, and has been experimentally realized in low-loss all-dielectric photonic crystals. We show that the zero-spacing ...
  • 论文类型:期刊论文
  • 卷号:12
  • 期号:1
  • 页面范围:011053
  • 是否译文:
  • 发表时间:2022

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