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    • 2. 发明授权
    • Variable dispersion compensator and optical transmission system
    • 可变色散补偿器和光传输系统
    • US06892003B2
    • 2005-05-10
    • US10114321
    • 2002-04-03
    • Makoto KatayamaToshiaki OkunoMasayuki NishimuraTomomi SanoMasakazu ShigeharaHiroshi SuganumaToru IwashimaTomohiko Kanie
    • Makoto KatayamaToshiaki OkunoMasayuki NishimuraTomomi SanoMasakazu ShigeharaHiroshi SuganumaToru IwashimaTomohiko Kanie
    • H04B10/18G02B6/26G02B6/35H04J14/02
    • H04B10/25133
    • An optical signal, which is to become the subject of dispersion compensation, is split by optical combining/splitting unit 2, and each frequency component of the optical signal that is split is reflected by the corresponding reflective mirror 30 included in reflective mirror group 3 to apply a predetermined phase shift to the respective frequency components Each reflected frequency component is then combined using optical combining/splitting unit 2, to give dispersion compensated optical signal Furthermore, in regards to reflective mirror group 3, which is used to apply phase shift to each frequency component of an optical signal, each of the respective plurality of reflective mirrors 30 is made a movable mirror having a movable reflection position that reflects the frequency components. Through this, dispersion that develops in an optical signal may be compensated with favorable controllability and high accuracy. Therefore, the precision and controllability of dispersion compensation will become superior, and realized is a variable dispersion compensator having a miniaturized optical circuit, and an optical transmission system comprising such variable dispersion compensator,
    • 要成为色散补偿的对象的光信号被光学合成/分离单元2分离,并且被分离的光信号的每个频率分量被包括在反射镜组3中的相应的反射镜30反射到 对相应的频率分量施加预定的相移。然后使用光学合成/分离单元2组合每个反射频率分量,以产生色散补偿的光信号。此外,关于反射镜组3,其用于将相移施加到每个 光信号的频率分量,各个反射镜30中的每一个被制成具有反映频率分量的可移动反射位置的可移动反射镜。 由此,可以以良好的可控性和高精度补偿在光信号中产生的色散。 因此,色散补偿的精度和可控性将变得更好,并且实现了具有小型化光电路的可变色散补偿器和包括这种可变色散补偿器的光传输系统,
    • 6. 发明授权
    • Optical device
    • 光学装置
    • US07315672B2
    • 2008-01-01
    • US10993172
    • 2004-11-22
    • Tomohiko KanieMakoto Katayama
    • Tomohiko KanieMakoto Katayama
    • G02B6/02G02B6/12
    • G02B6/3588G02B6/12007G02B6/266G02B6/3514G02B6/3532G02B6/3548G02B6/3566G02B6/3584G02B6/3594G02B6/3596
    • An optical variable attenuator 1 has a planar waveguide 2 and an actuator structure 3. The planar waveguide 2 is provided with an input optical waveguide core 4A for input of an optical signal, an output optical waveguide core 4B for outputting an optical signal from the optical waveguide core 4A, and an a movable mirror optical waveguide core 4C for guiding light that does not enter the optical waveguide core 4B, out of the optical signal from the optical waveguide core 4A. The actuator structure 3 has a movable mirror 7 for reflecting the optical signal emerging from the input optical waveguide core 4A, toward the output optical waveguide core 4B. A light receiving device 10 for receiving light passing the optical waveguide core 4C is provided at one end face of the planar waveguide 2.
    • 光学可变衰减器1具有平面波导2和致动器结构3.平面波导2设置有用于输入光信号的输入光波导芯411,用于输出光信号的输出光波导芯4B 光波导芯411和用于引导不进入光波导芯体4B的光的可移动镜光波导芯体4C,从光波导芯体4A的光信号中移除。致动器结构3具有 用于将从输入光波导芯411出射的光信号反射到输出光波导芯体B的可移动反射镜7.用于接收通过光波导芯体4C的光的光接收装置10设置在 平面波导2。
    • 9. 发明授权
    • Variable dispersion compensator and optical transmission system
    • 可变色散补偿器和光传输系统
    • US06659614B2
    • 2003-12-09
    • US10114322
    • 2002-04-03
    • Makoto KatayamaTomohiko KanieMasayuki NishimuraShunichi Tsuchiya
    • Makoto KatayamaTomohiko KanieMasayuki NishimuraShunichi Tsuchiya
    • G02B508
    • H04B10/25133H04B2210/258
    • An optical signal, which is to become the subject of dispersion compensation, is split by optical combining/splitting unit 2, and each frequency component of the optical signal that is split is reflected by each reflective surface of reflective mirror 40 of reflective means 4 to apply a predetermined phase shift to the respective frequency components. Each reflected frequency component is then combined using optical combining/splitting unit 2, to give dispersion compensated optical signal. Furthermore, in regards to reflective means 4, which is used to apply phase shift to each frequency component of an optical signal, reflective mirror 40 is made a variable movable mirror by reflection position at each reflective surface, which reflects the frequency components, deforming the entire reflective surface. This allows dispersion that is created in an optical signal to be compensated with favorable controllability and high accuracy. As a result, it becomes possible to provide a variable dispersion compensator that presents high precision and controllability of dispersion compensation, and has a miniaturized optical circuit, and an optical transmission system comprising such variable dispersion compensator.
    • 要成为色散补偿对象的光信号被光学合成/分离单元2分离,被分离的光信号的每个频率分量被反射装置4的反射镜40的每个反射表面反射到 对各个频率分量施加预定的相移。 然后使用光学合成/分离单元2将每个反射频率分量组合,以产生色散补偿光信号。 此外,关于用于向光信号的每个频率分量施加相移的反射装置4,通过反射位置在每个反射表面处将反射镜40制成可变可移动反射镜,其反映频率分量,使 整个反光面。 这允许以良好的可控性和高精度补偿在光信号中产生的色散。 结果,可以提供具有高精度和色散补偿的可控性的可变色散补偿器,并且具有小型化的光电路和包括这种可变色散补偿器的光传输系统。