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    • 65. 发明授权
    • Optical control device
    • 光控装置
    • US07215861B2
    • 2007-05-08
    • US11258923
    • 2005-10-27
    • Atsushi SakaiIkuo KatohToshihiko Baba
    • Atsushi SakaiIkuo KatohToshihiko Baba
    • G02B6/10G02B6/12
    • G02B6/1225B82Y20/00
    • An optical control device includes a photonic crystal and a line-defect waveguide formed in the photonic crystal wherein the optical control device is capable of guiding, through the line-defect waveguide, a light having a wavenumber larger than a wavenumber corresponding to an anti-intersection of an even-mode band and an odd-mode band, the even-mode band and odd-mode band being a waveguide band of the line-defect waveguide, wherein the even-mode band of the line-defect waveguide includes two or more inflection points in a wavenumber region larger than a wavenumber corresponding to an intersection of the even-mode band and said odd-mode band, the optical control device guiding a light having a frequency in the vicinity of the inflection point.
    • 光控制装置包括形成在光子晶体中的光子晶体和线缺陷波导,其中光控制装置能够通过线缺陷波导引导波数大于对应于反射波的波数的波, 偶模式频带和奇数模式频带的交点,偶模频带和奇模频带是线缺陷波导的波导带,其中线缺陷波导的偶模频带包括两个或 在比对应于偶模式频带和奇数模式频带的交点的波数更大的波数区域中的更多拐点,该光学控制装置引导具有在拐点附近的频率的光。