Polarization unrelated high speed photo switch
A high-speed optical switch and polarization technology, applied in the field of optical switches, can solve the problems of large size and high driving voltage, and achieve the effect of fast speed, fast response speed and increased response bandwidth
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[0028] Please refer to FIG. 1 first. FIG. 1 is a schematic diagram of embodiment 1 of the present invention-a polarization-independent high-speed optical switch. As can be seen from the figure, the composition of the polarization-independent high-speed optical switch of the present invention is: a third port 3.3 and a fourth port 3.4 on the same side of a coupler 3 are connected to form a ring mirror 4, and a polarization control device 2 is connected in series in the ring mirror 4 , constitute the driving device of the switch, the first port 3.1 of the coupler 3 is connected to the second port 1.2 of the three-port circulator 1, the second port 3.2 of the coupler 3 is used as the second output port of the switch, and the three-port The first port 1.1 of the circulator 1 is used as the input end, and the third port 1.3 is used as the first output end of the switch; the coupler 3 , the circulator 1 and the ring mirror 4 are fixed on a substrate 5 .
[0029] The basic principle ...
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