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    • 9. 发明申请
    • Optical waveguide and optical multiplexer-demultiplexer
    • 光波导和光复用器 - 解复用器
    • US20050041918A1
    • 2005-02-24
    • US10949657
    • 2004-09-27
    • Tomoaki ShibataHiroshi MasudaYasushi SugimotoTetsuya Hoshino
    • Tomoaki ShibataHiroshi MasudaYasushi SugimotoTetsuya Hoshino
    • G02B6/12G02B6/124G02B6/34G02B6/28
    • G02B6/12009G02B6/12007G02B6/124G02B6/2938
    • The present invention provides an optical waveguide which comprises a core 4 for incident light and a core 5 for outgoing light, wherein the width of the core 5 for outgoing light is more than 1.5 times that of the core 4 for incident light. This optical waveguide permits the multiplexing and/or demultiplexing of light rays even when the wavelengths thereof undergo changes within the range of about 10 nm. In addition, the present invention further provides an optical multiplexer-demultiplexer which comprises the combination of an optical waveguide serving as an optical path and a diffraction grating for demultiplexing and focusing light, wherein the absolute value of the difference between the refractive index (nTE) of the core layer of the optical waveguide in the direction parallel to the plane of the film and that (nTM) of the core layer thereof in the direction perpendicular to the plane of the film is not more than 0.007 at the wavelength used. This optical multiplexer-demultiplexer permits the control of the wavelength fluctuation observed for the outputted signal light dependent on the polarization direction of the incident signal light to not more than 5 nm by the reduction of the birefringence index of the core layer of the optical waveguide to a level of not more than 0.007.
    • 本发明提供一种光波导,其包括用于入射光的核心4和用于出射光的核心5,其中用于出射光的核心5的宽度大于入射光的核心4的宽度的1.5倍。 该光波导即使当其波长在约10nm的范围内变化时也允许光线的复用和/或解复用。 另外,本发明还提供了一种光复用器 - 解复用器,其包括用作光路的光波导和用于解复用和聚焦光的衍射光栅的组合,其中折射率(nTE) 在平行于膜平面的方向上的光波导的芯层的垂直于膜平面的方向上的芯层的(nTM)在所使用的波长处不大于0.007。 该光复用器 - 解复用器允许通过将光波导的芯层的双折射率降低到对应于入射信号光的偏振方向的输出信号光观察到的波长波动为不大于5nm 一级不超过0.007。
    • 10. 发明申请
    • OPTICAL WAVEGUIDE, OPTO-ELECTRIC HYBRID BOARD, AND OPTICAL MODULE
    • 光电波,OPTO-ELECTRIC混合板和光模块
    • US20110235964A1
    • 2011-09-29
    • US13061314
    • 2009-08-28
    • Hiroshi MasudaToshihiro KurodaTomoaki Shibata
    • Hiroshi MasudaToshihiro KurodaTomoaki Shibata
    • G02B6/36G02B6/26
    • G02B6/4214G02B6/138H01L2224/48091H01L2224/48137H05K1/0274H05K1/183H05K3/365H01L2924/00014
    • The present invention relates to an optical waveguide comprising a lower cladding layer, a patternized core layer and an upper cladding layer, wherein a striking part for positioning is provided in one end part thereof, and an optical path turning mirror face is formed in a position different from a striking part-forming end part in the above core layer.Capable of being provided are an optical waveguide and an optoelectronic circuit board each having a simple configuration in which an optical device is not mounted on an optical wiring part or an optoelectronic composite wiring part and capable of connecting an optical device with a core of an optical waveguide in an optical wiring part (optical waveguide) or an optoelectronic composite wiring part (optoelectronic circuit board) at a high position accuracy and an optical module comprising an optical waveguide or an optoelectronic circuit board and a connector.
    • 本发明涉及一种包括下包层,图案化核心层和上包层的光波导,其中在其一个端部设置有用于定位的击打部分,并且光路转向镜面形成在一个位置 与上述芯层中的打击部分形成端部不同。 能够提供的是光波导和光电子电路板,其具有简单的配置,其中光学装置不安装在光布线部分或光电复合布线部分上,并且能够将光学装置与光学芯部连接 光学配线部(光波导路)或光电子复合配线部(光电子电路基板)的高精度的波导管以及包括光波导或光电子电路基板以及连接器的光学模块。