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A novel scheme of realizing high-speed optical logic gate of XOR based on a single I/Q modulator and direct detection

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Abstract

We propose a novel scheme of realizing all-optical XOR based on a single I/Q modulator and direct detection by adjusting bias voltages of the two arms, peak-peak voltages of the driving signals and the phase shift. Experiments are successfully carried out at the bit rate of 1Gbit/s with extinction ratio higher than 11 dB.

© 2015 Optical Society of America

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