Recording and operation and control for data processing and are conducted using electricity in conventional computers. Optical computers only work on light. Since amount of data to be processed has dramatically increased in recent years, it is difficult to continue to develop computers only with technology based on the extension of semiconductor electronics. Therefore, it is necessary for the computing technology to be based on a new concept. Concerning about optical information technology increases from such a background. Various proposals for optical switching using various materials have been conducted until now. Our group has proposed an optical switch using the free carrier effect in silicon phonic waveguide by computer simulation. In this time, we report on an experimental succession of optical switching using the carrier effect of silicon. Signal light was switched by injecting violet light for control on silicon.
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[v1] 2019-08-11 22:11:42
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