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    • 3. 发明申请
    • WAVEGUIDE AND DEVICE INCLUDING THE SAME
    • 波导和装置包括它们
    • US20070110382A1
    • 2007-05-17
    • US11558563
    • 2006-11-10
    • Kiyokatsu IkemotoAkinari TakagiHikaru HoshiKazuya NobayashiAihiko Numata
    • Kiyokatsu IkemotoAkinari TakagiHikaru HoshiKazuya NobayashiAihiko Numata
    • G02B6/10
    • G02B6/1225B82Y20/00
    • At least one exemplary embodiment is directed to a waveguide, which includes a three-dimensional photonic crystal including a first linear defect and a second linear defect. The first linear defect is disposed at part of columnar structures and is formed of a medium different from the columnar structures. The second linear defect is disposed at part of columnar structures extending in the longitudinal direction of the first linear defect and is formed of a medium having a refractive index different from that of the medium used for the columnar structures. The second linear defect is separated from the first linear defect by a distance of at least 0.5 times the out-of-plane lattice period of the three-dimensional photonic crystal in a direction in which layers including the columnar structures are stacked.
    • 至少一个示例性实施例涉及一种波导,其包括包括第一线性缺陷和第二线性缺陷的三维光子晶体。 第一线性缺陷设置在柱状结构的一部分,并且由不同于柱状结构的介质形成。 第二线性缺陷设置在沿着第一线性缺陷的纵向方向延伸的柱状结构的一部分处,并且由具有与用于柱状结构的介质的折射率不同的介质形成。 将第二线性缺陷与包含柱状结构的层的层叠方向上的三维光子晶体的面外晶格周期的至少0.5倍的距离与第一线性缺陷分开。
    • 4. 发明授权
    • Waveguide and device including the same
    • 波导和设备包括相同
    • US07751669B2
    • 2010-07-06
    • US11558563
    • 2006-11-10
    • Kiyokatsu IkemotoAkinari TakagiHikaru HoshiKazuya NobayashiAihiko Numata
    • Kiyokatsu IkemotoAkinari TakagiHikaru HoshiKazuya NobayashiAihiko Numata
    • G02B6/10G02B6/12G02B6/26
    • G02B6/1225B82Y20/00
    • At least one exemplary embodiment is directed to a waveguide, which includes a three-dimensional photonic crystal including a first linear defect and a second linear defect. The first linear defect is disposed at part of columnar structures and is formed of a medium different from the columnar structures. The second linear defect is disposed at part of columnar structures extending in the longitudinal direction of the first linear defect and is formed of a medium having a refractive index different from that of the medium used for the columnar structures. The second linear defect is separated from the first linear defect by a distance of at least 0.5 times the out-of-plane lattice period of the three-dimensional photonic crystal in a direction in which layers including the columnar structures are stacked.
    • 至少一个示例性实施例涉及一种波导,其包括包括第一线性缺陷和第二线性缺陷的三维光子晶体。 第一线性缺陷设置在柱状结构的一部分,并且由不同于柱状结构的介质形成。 第二线性缺陷设置在沿着第一线性缺陷的纵向方向延伸的柱状结构的一部分处,并且由具有与用于柱状结构的介质的折射率不同的介质形成。 将第二线性缺陷与包含柱状结构的层的层叠方向上的三维光子晶体的面外晶格周期的至少0.5倍的距离与第一线性缺陷分开。
    • 8. 发明授权
    • Optical modulation element and optical modulation device having the same
    • 光调制元件及其调制装置
    • US07580594B2
    • 2009-08-25
    • US12175826
    • 2008-07-18
    • Hikaru Hoshi
    • Hikaru Hoshi
    • G02F1/035
    • G02F1/2257G02F1/025G02F2202/32
    • An optical modulation element includes a waveguide defined based on a defect in a photonic crystal, a carrier conducting region for conducting a carrier to the waveguide, an electrode for injecting a carrier into the carrier conducting region, and a current control unit for controlling the quantity of carrier to be conducted to the waveguide, wherein the photonic crystal and the electrode are made of a material containing TiO2 as a main composition, and wherein the current control unit functions to change the refractive index of a medium constituting the waveguide in accordance with the quantity of carrier conducted to the waveguide, thereby to modulate the light propagated through the waveguide.
    • 光调制元件包括基于光子晶体中的缺陷定义的波导,用于将载流子引导到波导的载流子导电区域,将载流子注入载流子导通区域的电极以及用于控制量的电流控制单元 的载流子传导到波导管,其中光子晶体和电极由含有TiO 2作为主要成分的材料制成,并且其中电流控制单元用于改变构成波导的介质的折射率, 传输到波导的载体的量,从而调制通过波导传播的光。