Low-loss photonic crystal waveguide having large core radius
    8.
    发明申请
    Low-loss photonic crystal waveguide having large core radius 有权
    具有大芯径半径的低损耗光子晶体波导

    公开(公告)号:US20040013379A1

    公开(公告)日:2004-01-22

    申请号:US10620479

    申请日:2003-07-16

    Abstract: An optical waveguide including: a dielectric core region extending along a waveguide axis; and a dielectric confinement region surrounding the core about the waveguide axis, the confinement region comprising a photonic crystal structure having a photonic band gap, wherein during operation the confinement region guides EM radiation in at least a first range of frequencies to propagate along the waveguide axis, wherein the core has an average refractive index smaller than about 1.3 for a frequency in the first range of frequencies, and wherein the core a diameter in a range between about 4null and 80null, wherein null is a wavelength corresponding to a central frequency in the first frequency range.

    Abstract translation: 一种光波导,包括:沿着波导轴延伸的介质芯区; 以及围绕所述波导轴围绕所述芯的介电限制区域,所述约束区域包括具有光子带隙的光子晶体结构,其中在操作期间,所述约束区域在至少第一频率范围内引导EM辐射沿着所述波导轴线传播 ,其中所述芯对于所述第一频率范围中的频率具有小于约1.3的平均折射率,并且其中所述芯在约4λ和80λ之间的范围内的直径,其中λ是对应于所述第一频率中的中心频率的波长 第一频率范围。

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