Electro-optic technique for adding binary numbers

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Electro-optic technique for adding binary numbers

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© The Institution of Electrical Engineers
Published

A new type of device that makes use of electro-optic modulation of light in dielectric waveguides for adding binary numbers is described. Only one logic element (an analogue comparator) is needed for each bit in the sum. Improved speed is a potential advantage of the electro-optic technique, since the number of sequential logic steps is considerably smaller than in conventional electronic adders.

Inspec keywords: digital arithmetic; electro-optical devices; optical waveguides; adders; optical modulation

Other keywords: adding binary numbers; dielectric waveguides; binary adder; analogue comparator; electrooptic modulation of light; logic element

Subjects: Optical waveguides and couplers; Logic and switching circuits; Electro-optical devices; Digital arithmetic methods; Optical waveguides

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