Abstract
AbstractNew optoelectronic logic operation systems are proposed by controlling the deflection angle of the beam from semiconductor lasers and basic experimental results are presented. The input signal of these systems is spatially coded optical patterns. All symmetrical operations for the two input signals (eight types including AND, OR, XOR, etc.) are realized by using two photodetectors, two amplifiers, and one beam‐scanning laser diode. These systems are advantageous because various logic gates can be realized by using only a small number of elements. Further, they are suitable for integration because the configuration, the delay time, and the size of the unit gates are almost the same.
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