1 March 2007 Method of conducting an all-optical NAND logic operation controlled from a long distance
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Abstract
Logic gates are the fundamental building blocks in any digital data-processing circuit. We propose a new method to implement a NAND logic operation controlled from a long distance. To realize it we consider two types of Gaussian pulses: the control beam and the signal beam. The signal beam propagates first through an electro-optic modulator and then through a nonlinear waveguide, whereas the control beam propagates directly through the optical fiber. Controlling the applied voltage of the electro-optic modulator, we can change the phase relation between the pulses. Hence a NAND switching operation can be realized at a very long distance in the optical fiber.
Prasanta Mandal, Sourangshu Mukhopadhyay, "Method of conducting an all-optical NAND logic operation controlled from a long distance," Optical Engineering 46(3), 035009 (1 March 2007). https://doi.org/10.1117/1.2714526
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