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    • 26. 发明授权
    • Control apparatus and control method of optical signal exchanger
    • 光信号交换机的控制装置及控制方法
    • US07398019B2
    • 2008-07-08
    • US10643895
    • 2003-08-20
    • Yuji TochioKazuyuki MoriTetsuji YamabanaIchiro WatanabeYuji Ishii
    • Yuji TochioKazuyuki MoriTetsuji YamabanaIchiro WatanabeYuji Ishii
    • H04J14/00
    • G02B6/3588G02B6/3512G02B6/3556G02B6/3572
    • An object of the invention is to provide a control apparatus and a control method having a simple constitution, which can stably perform switching of optical path in an optical signal exchanger, while suppressing an influence on a control due to the mechanical resonance of tilt mirrors. To this end, the control apparatus of the optical signal exchanger is constituted such that in an optical signal exchanger of three-dimensional type using one set of MEMS mirror arrays, each having a plurality of tilt mirrors arranged on a plane, each tilt mirror having a reflecting surface an angle of which is controllable, when the angle of the MEMS mirror on the optical path is feedback controlled by detecting power of an optical signal output from a specific position, a resonance component removing section that removes a resonance frequency component included in a control signal is shared corresponding to a pair of driving electrodes arranged in a coaxial direction of the MEMS mirror. As a result, the influence on the feedback control by a resonance action of the MEMS mirror can be reduced, while suppressing an increase in circuit size.
    • 本发明的目的是提供一种具有简单结构的控制装置和控制方法,其可以在抑制由于倾斜镜的机械共振引起的控制的影响的同时,稳定地执行光信号交换器中的光路的切换。 为此,光信号交换器的控制装置被构成为使得在使用一组MEMS反射镜阵列的三维型光信号交换器中,每组具有布置在平面上的多个倾斜镜,每个倾斜镜具有 当通过检测从特定位置输出的光信号的功率来反馈控制光路上的MEMS反射镜的角度时,反射表面的角度是可控的;谐振分量去除部,其去除包含在其中的谐振频率分量 对应于沿着MEMS反射镜的同轴方向布置的一对驱动电极共享控制信号。 结果,能够抑制MEMS反射镜的共振动作对反馈控制的影响,同时抑制电路尺寸的增加。