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    • 4. 发明授权
    • Multichannel array waveguide diffraction grating multiplexer/demultiplexer and method of connecting array waveguide and output waveguide
    • 多通道阵列波导衍射光栅多路复用器/解复用器及连接阵列波导和输出波导的方法
    • US07231118B2
    • 2007-06-12
    • US11374776
    • 2006-03-14
    • Ryouichi TazawaYutaka Natsume
    • Ryouichi TazawaYutaka Natsume
    • G02B6/34
    • G02B6/1228G02B6/12016
    • An array waveguide diffraction grating optical multiplexer/demultiplexer having an input waveguide, an input side slab waveguide, an output side slab waveguide, an output waveguide, an array waveguide provided between the input side slab waveguide and output side slab waveguide having a length different sequentially between the adjacent waveguides, wherein the output waveguide is arranged so that the angle formed between each output waveguide and the normal line of the Rowland circle of the output waveguide is sequentially increased from the central output waveguide to the output waveguide at both ends of the central output waveguide, and asymmetry of the passband of the output waveguide based on the form of field distribution at a light collecting point of the output side slab waveguide is decreased.
    • 具有输入波导,输入侧平板波导,输出侧平板波导,输出波导,设置在输入侧平板波导和输出侧平板波导之间的阵列波导衍射光栅光复用器/解复用器,其长度不同顺序 在相邻波导之间,其中输出波导被布置成使得在每个输出波导和输出波导的罗兰圆的法线之间形成的角度从中心输出波导依次增加到中心的两端处的输出波导 输出波导,基于输出侧平板波导的光收集点的场分布形式的输出波导的通带的不对称性降低。
    • 7. 发明授权
    • Method for fabricating planar optical waveguide devices
    • 平面光波导器件制造方法
    • US06605228B1
    • 2003-08-12
    • US09616224
    • 2000-07-14
    • Shigeru KawaguchiMichiya MasudaYutaka NatsumeTakayuki Senda
    • Shigeru KawaguchiMichiya MasudaYutaka NatsumeTakayuki Senda
    • C03B37075
    • G02B6/132G02B2006/12038G02B2006/12147G02B2006/1215G02B2006/12176
    • Proposed is a method for fabricating a planar optical waveguide device having a plurality of core segments formed between a lower clad layer and an upper clad layer, in which a hot isostatic pressing process (HIP) is carried out during the fabrication process. The lower clad layer may consist of a substrate or a buffer layer formed on a substrate. Each layer may be formed either by a low-temperature film-forming process such as CVD or by the flame hydrolysis pressing process. The HIP process is also effective in eliminating voids when the core is formed in a recess of the lower clad layer. According to the tests conducted by the inventors, it was found that the HIP process can be conducted without requiring any protective layer or a gas barrier through proper selection of the condition for the HIP process, as opposed to the common belief that a protective layer or a gas barrier is essential for the HIP process.
    • 提出了一种制造平面光波导器件的方法,该平面光波导器件具有形成在下覆盖层和上覆层之间的多个芯部分,其中在制造过程中进行热等静压加工(HIP)。 下覆盖层可以由形成在基板上的基板或缓冲层构成。 各层可以通过CVD等低温成膜法或者火焰水解加压法来形成。 当芯形成在下包层的凹部中时,HIP工艺也有效地消除空隙。 根据本发明人进行的试验,发现通过适当选择HIP工艺的条件,可以进行HIP工艺而不需要任何保护层或气体屏障,而不是普遍认为保护层或 气体屏障对HIP过程至关重要。
    • 9. 发明申请
    • Optical branching unit, and method of manufacturing the same
    • 光分支单元及其制造方法
    • US20070086711A1
    • 2007-04-19
    • US11601558
    • 2006-11-17
    • Yusuke TeradaYutaka Natsume
    • Yusuke TeradaYutaka Natsume
    • G02B6/255
    • G02B6/125
    • An optical branching unit according to the invention, has on a substrate, a light input part which inputs light, an optical branch which branches the light input to the light input part at a predetermined ratio, a light output part which guides the light branched by the optical branch to a predetermined position, and a dummy pattern which is provided on a substrate independently of an area provided with the light input part, optical branch and light output part, made of the same material as the light input part, optical branch and light output part, and defined to have an area, so that an occupation rate, or a ratio of the dummy pattern to the area of a substrate except the light input part, optical branch and light output part, is 70% or higher.
    • 根据本发明的光分支单元在基板上具有输入光的光输入部分,以预定比率将光输入部分分支到光输入部分的光分支;光输出部分,其引导光分支的光 光分支到预定位置,以及设置在基板上的虚设图案,独立于设置有与光输入部分相同材料的光输入部分,光分支和光输出部分的区域,光分支和 光输出部分,并且被定义为具有一个区域,使得占空比或伪图案与除光输入部分,光分支和光输出部分之外的基板的面积的比率为70%以上。
    • 10. 发明授权
    • Optical branching unit, and method of manufacturing the same
    • 光分支单元及其制造方法
    • US07335875B2
    • 2008-02-26
    • US11601558
    • 2006-11-17
    • Yusuke TeradaYutaka Natsume
    • Yusuke TeradaYutaka Natsume
    • G02B6/122G02B6/255
    • G02B6/125
    • An optical branching unit according to the invention, has on a substrate, a light input part which inputs light, an optical branch which branches the light input to the light input part at a predetermined ratio, a light output part which guides the light branched by the optical branch to a predetermined position, and a dummy pattern which is provided on a substrate independently of an area provided with the light input part, optical branch and light output part, made of the same material as the light input part, optical branch and light output part, and defined to have an area, so that an occupation rate, or a ratio of the dummy pattern to the area of a substrate except the light input part, optical branch and light output part, is 70% or higher.
    • 根据本发明的光分支单元在基板上具有输入光的光输入部分,以预定比率将光输入部分分支到光输入部分的光分支;光输出部分,其引导光分支的光 光分支到预定位置,以及设置在基板上的虚设图案,独立于设置有与光输入部分相同材料的光输入部分,光分支和光输出部分的区域,光分支和 光输出部分,并且被定义为具有一个区域,使得占空比或伪图案与除光输入部分,光分支和光输出部分之外的基板的面积的比率为70%以上。