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11 条记录 (耗时 0.036 秒)

    Variable optical attenuator having a waveguide and an optically coupled layer with a power monitor
    7.
    发明授权
    Variable optical attenuator having a waveguide and an optically coupled layer with a power monitor 失效
    具有波导的可变光衰减器和具有功率监视器的光耦合层

    公开(公告)号：US07043132B2

    公开(公告)日：2006-05-09

    申请号：US10761619

    申请日：2004-01-21

    申请人： Shigenori Aoki ,  Kishio Yokouchi ,  Hiroshi Nagaeda ,  Kaoru Sugimoto ,  Alexei Glebov

    发明人： Shigenori Aoki ,  Kishio Yokouchi ,  Hiroshi Nagaeda ,  Kaoru Sugimoto ,  Alexei Glebov

    IPC分类号： G02B6/00

    CPC分类号： G02F1/011 ,  G02B6/266 ,  G02F1/0121 ,  G02F2201/58 ,  G02F2203/48

    摘要： The intensity of signals in optical networks can be controlled using a variable optical attenuator (VOA). The present invention is a VOA that is particularly well suited for optical networks, for example to provide channel-by-channel normalization of gain control of wavelength division multiplexed signals. The inventive VOA includes a waveguide having a cladding that includes an electro-optical material and electrodes that produce an electric field within the electro-optical material when a voltage difference is applied to the electrodes. The VOA also includes a layer that is parallel to the core of the waveguide and that optically couples to the core to receive light from the attenuated signal. A power meter receives light from the layer as an indication of the amount of light attenuated from the signal and for controlling the voltage to the electrodes.

    摘要翻译： 可以使用可变光衰减器（VOA）来控制光网络中的信号强度。 本发明是特别适用于光网络的VOA，例如提供波分复用信号的增益控制的逐通道归一化。 本发明的VOA包括具有包层的波导，该包层具有电光材料和当对电极施加电压差时在电光材料内产生电场的电极。 VOA还包括平行于波导的核心并且光耦合到芯以从衰减信号接收光的层。 功率计从该层接收光，作为从信号衰减的光量的指示，并用于控制电极的电压。

    Printed board unit for optical transmission and mounting method
    9.
    发明授权
    Printed board unit for optical transmission and mounting method 失效
    用于光学传输和安装方法的印刷电路板单元

    公开(公告)号：US06959125B2

    公开(公告)日：2005-10-25

    申请号：US10341437

    申请日：2003-01-14

    申请人： Takashi Kanda ,  Kiyotaka Seyama ,  Kaoru Sugimoto ,  Souichi Obata ,  Yasutomo Maehara

    发明人： Takashi Kanda ,  Kiyotaka Seyama ,  Kaoru Sugimoto ,  Souichi Obata ,  Yasutomo Maehara

    IPC分类号： G02B6/42 ,  G02B6/43 ,  G02B6/12

    CPC分类号： G02B6/43 ,  G02B6/42 ,  H01L2224/48091 ,  H01L2224/73257 ,  H01L2924/00014

    摘要： It is an object of the present invention to enhance laser beam transmitting efficiency by accurately controlling an interval between a light emitting (light receiving) element (20) and an optical wave-guide substrate (1) without causing any fluctuation in the interval in a mounting structure of the light transmitting element in which the light emitting (light receiving) element (20) is mounted on the optical wave-guide substrate (1). When the light emitting (light receiving) element is joined to the sub-mount chip (4) and when the sub-mount chip (4) is joined to the optical wave-guide while the element is being directed to the substrate side, the sub-mount chip and the optical wave-guide substrate are joined to each other by the solder bump (6). A post (5) is arranged for regulating an interval between the light emitting (light receiving) element and the optical wave-guide substrate.

    摘要翻译： 本发明的目的是通过精确地控制发光（光接收）元件（20）和光波导基板（1）之间的间隔而不会引起在 其中发光（光接收）元件（20）安装在光波导基板（1）上的透光元件的安装结构。 当发光（光接收）元件接合到子安装芯片（4）时，并且当元件被引导到基板侧时，子安装芯片（4）接合到光波导上时， 副安装芯片和光波导基板通过焊料凸块（6）相互连接。 布置用于调节发光（光接收）元件和光波导基板之间的间隔的柱（5）。