Journal
IEEE JOURNAL OF QUANTUM ELECTRONICS
Volume 38, Issue 1, Pages 37-46Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/3.973317
Keywords
optical data processing; optical Kerr effect; optical logic devices; optical propagation in nonlinear media; optical waveguides
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We propose a new element containing a two-mode nonlinear waveguide consisting of Kerr-like material for all-optical logic circuits. The proposed element, incorporated into the Mach-Zehnder interferometer, functions like a phase shifter. Although the optical waves propagating in the proposed element are monochromatic and identical in polarization, its function is insensitive to the relative phase difference between the incident beams. Using this element, we can realize various logic functions. In this paper, we demonstrate such logic circuits as inverters, distributors, and AND gates.
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