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    • 24. 发明授权
    • Optical switch
    • 光开关
    • US07379636B2
    • 2008-05-27
    • US11640221
    • 2006-12-18
    • Yoichi OikawaSatoshi Kuroyanagi
    • Yoichi OikawaSatoshi Kuroyanagi
    • G02B6/35
    • G02B6/3514G02B6/122G02B6/3512G02B6/3518G02B6/3538G02B6/3546G02B6/356G02B6/3582G02B2006/12145H04Q11/0005H04Q2011/0024H04Q2011/003
    • An optical switch having a plurality of switch cells. The optical switch has n inputs (n is a natural number) and m outputs (m is a natural number). The optical switch has a unit size defined as the distance between any two adjacent ones of the switch cells. The optical switch comprises a substrate having a switch size of K×L (K is an integer satisfying n≦K, and L is an integer satisfying m≦L), first and second mirrors parallel to each other and perpendicular to a principal surface of the substrate, and an optical unit providing a plurality of input optical paths for the n inputs and a plurality of output optical paths for the m outputs. The plurality of input optical paths are inclined relative to the first and second mirrors, and the plurality of output optical paths are inclined relative to the first and second mirrors. Each switch cell comprises a switch mirror provided movably relative to the substrate. With this configuration, the path dependence of loss is substantially eliminated.
    • 具有多个开关单元的光开关。 光开关具有n个输入(n是自然数),m个输出(m是自然数)。 光开关具有被定义为任何两个相邻的开关单元之间的距离的单位尺寸。 光开关包括开关尺寸为KxL(K为满足n <= K的整数,L为满足m <= L的整数)的基板,第一和第二反射镜彼此平行并垂直于 基板和为n个输入提供多个输入光路的光学单元和用于m个输出的多个输出光路。 多个输入光路相对于第一和第二反射镜倾斜,并且多个输出光路相对于第一和第二反射镜倾斜。 每个开关单元包括相对于基板可移动地设置的开关镜。 利用这种配置,基本上消除了损耗的路径依赖性。
    • 30. 发明授权
    • Optical cross-connect device and system having the device
    • 具有该装置的光交叉连接装置和系统
    • US06741811B2
    • 2004-05-25
    • US09813951
    • 2001-03-22
    • Tetsuya NishiSatoshi KuroyanagiIchiro NakajimaTakuji MaedaToru Katagiri
    • Tetsuya NishiSatoshi KuroyanagiIchiro NakajimaTakuji MaedaToru Katagiri
    • H04J1400
    • H04J14/0213H04J14/0212H04Q11/0005H04Q2011/0011H04Q2011/0016H04Q2011/0033H04Q2011/0075
    • Disclosed herein is an optical cross-connect device including first wavelength demultiplexing sections each for demultiplexing WDM (wavelength division multiplexed) signal light into a plurality of optical signals, wavelength group generating sections each for receiving the optical signals from each first wavelength demultiplexing section to generate wavelength groups, first wavelength multiplexing sections each for receiving each wavelength group from each wavelength group generating section to output a WDM wavelength group, a routing section for routing the input WDM wavelength groups, second wavelength demultiplexing sections each for receiving each WDM wavelength group from the routing section to output a wavelength group having a plurality of wavelengths, wavelength converting sections each for performing wavelength conversion of each optical signal of the wavelength group output from each second wavelength demultiplexing section, and second wavelength multiplexing sections each for wavelength division multiplexing optical signals output from the wavelength converting sections. This device is suitable for construction of a large-scale optical network supporting an increase in number of wavelengths.
    • 本发明公开了一种光交叉连接装置,包括:第一波长解复用部分,用于将WDM(波分复用)​​信号光分解为多个光信号;波长组生成部分,用于接收来自每个第一波长解复用部分的光信号, 波长组,每个用于从每个波长组生成部分接收每个波长组以输出WDM波长组的第一波长多路复用部分,用于路由输入的WDM波长组的路由部分,用于从WDM波长组接收每个WDM波长组的第二波长解复用部分 输出具有多个波长的波长组的波长转换部分,每个用于对从每个第二波长解复用部分输出的波长组的每个光信号进行波长转换的波长转换部分,以及第二波长多路复用部分,每个f 或从波长转换部分输出的波分复用光信号。 该器件适用于支持波长增加的大型光网络的构建。