期刊
PHYSICS LETTERS A
卷 384, 期 22, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.physleta.2020.126432
关键词
Optical solitons; Logic circuits; Optical switches; Nonlinear optics; Integrated optics
The design and simulation of all-optical and self-integrated primary logical AND, OR, XOR and NOT gates based on phase sensitivity of spatial optical solitons have been reported. By tuning the phase of incident solitons into a bulky nonlinear Kerr medium and interaction between the phase tuned solitons, the self-integrated logical gates are achieved simultaneously in a 50 mu m long distance by one setup. These are the advantages in the application and design of integrated circuits. In addition, the proposed logical gates can be cascaded and the logical AND and XOR gates can simultaneously have two outputs. The simplicity of constructing, simultaneous functions with one setup, the possibility of integrating, high sensitivity and fabrication ease are the advantages of the proposed logical gates and may be a good candidate for the future of integrated photonic computational circuits. (C) 2020 Elsevier B.V. All rights reserved.
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