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    • 3. 发明授权
    • Optical waveguide crossings
    • 光波导交叉
    • US06198860B1
    • 2001-03-06
    • US09158455
    • 1998-09-22
    • Steven G. JohnsonShanhui FanPierre R. VilleneuveChristina ManolatouHermann A. HausJohn D. Joannopoulos
    • Steven G. JohnsonShanhui FanPierre R. VilleneuveChristina ManolatouHermann A. HausJohn D. Joannopoulos
    • G02B626
    • B82Y20/00G02B6/1225G02B2006/1215
    • An optical waveguide structure including a first waveguide, a second waveguide that intersects with the first waveguide, and a photonic crystal resonator system at the intersection of the first and second waveguides. In accordance with another embodiment there is provided an optical waveguide crossing structure including a first waveguide that propagates signals in a first direction, a second waveguide that intersects with the first waveguide and propagates signals in a second direction, and a photonic crystal crossing region at the intersection of the first and second waveguides that prevents crosstalk between the signals of the first and second waveguides. In accordance with another embodiment of the invention there is provided an optical waveguide structure including a first waveguide, a second waveguide, and a resonator system at the intersection of the first and second waveguides, the intersection possessing a first mirror plane that is parallel to the first waveguide, the resonator system supporting a first resonant mode that includes different symmetry with guided modes in the first waveguide with respect to the first mirror plane, the resonator system substantially reduces crosstalk from the second waveguide to said first waveguide.
    • 包括第一波导,与第一波导相交的第二波导的光波导结构和在第一和第二波导的交叉处的光子晶体谐振器系统。 根据另一实施例,提供了一种光波导交叉结构,包括:沿第一方向传播信号的第一波导,与第一波导相交并沿第二方向传播信号的第二波导,以及在第二波导处的光子晶体交叉区 第一和第二波导的交点,其防止第一和第二波导的信号之间的串扰。 根据本发明的另一实施例,提供了一种光波导结构,其包括第一波导,第二波导和谐振器系统,在第一和第二波导的交叉处,交叉点具有平行于第一波导的第一反射镜平面 第一波导,谐振器系统支持第一谐振模式,其包括与第一波导相对于第一镜面平面的引导模式不同的对称性,所述谐振器系统基本上减少了从第二波导到所述第一波导的串扰。