G. F. Guimarães
Federal University of Ceará
23 Papers
146 Citations
G. F. Guimarães is an academic researcher from Federal University of Ceará. The author has contributed to research in topics: Logic gate & Self-phase modulation. The author has an hindex of 8, co-authored 21 publications.
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Papers
All-Optical Half-Adder Using All-Optical XOR and AND Gates for Optical Generation of "Sum" and "Carry"
J. W. M. Menezes,W. B. Fraga,A. C. Ferreira,G. F. Guimarães,A. F. G. F. Filho,C. S. Sobrinho,Antonio Sergio Bezerra Sombra +6 more
TL;DR: In this paper, a numerical simulation study using the symmetric planar three-core nonlinear directional coupler, operating with a short light pulse (2 ps), for the implementation of an all-optical halfadder is presented.
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Analysis of an optical logic gate using a symmetric coupler operating with pulse position modulation (PPM)
C. S. Sobrinho,A. C. Ferreira,J. W. M. Menezes,G. F. Guimarães,W. B. Fraga,A. F. G. F. Filho,H.H.B. Rocha,S.P. Marciano,K. D. A. Sabóia,Antonio Sergio Bezerra Sombra +9 more
TL;DR: In this article, an all-optical logical gate based on a symmetric nonlinear directional coupler (NLDC) operating with a pulse position modulation (PPM) is examined.
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A performance study of an all-optical logic gate based in PAM-ASK
A. C. Ferreira,C. S. Sobrinho,J. W. M. Menezes,W. B. Fraga,H.H.B. Rocha,K. D. A. Sabóia,G. F. Guimarães,Josué Mendes Filho,Antonio Sergio Bezerra Sombra +8 more
TL;DR: In this article, the performance of an all-optical logical gate based in a symmetric nonlinear directional coupler (NLDC) operating with two ultrashort fundamental soliton pulses of 2ps, modulated by PAM-ASK with binary amplitude modulation to represent the logical level 1 and 0, is presented.
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PAM–ASK optical logic gates in an optical fiber Sagnac interferometer
A. C. Ferreira,Ana Coelho,J. R. R. Sousa,C. S. Sobrinho,C. S. Sobrinho,F. T. C. B. Magalhães,A. F. G. F. Filho,G. F. Guimarães,J. C. Sales,J. W. M. Menezes,Antonio Sergio Bezerra Sombra +10 more
TL;DR: In this article, a numerical study of optical logic gates based on a Sagnac interferometer operating with short optical pulses (10ps) in a PAM-ASK modulation scheme with binary amplitude modulation scheme was performed.
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A performance study of a nonlinear all Fibre Michelson interferometer, add-drop multiplexer, based in Fibre Bragg grating mirrors
A. F. G. F. Filho,J. R. R. Sousa,F. T. Lima,W. B. Fraga,G. F. Guimarães,J. W. M. Mendonça,Antonio Sergio Bezerra Sombra +6 more
TL;DR: In this article, a numerical investigation of an all-fibre narrowband transmission filter in the arrangement of two identical photo-imprinted Bragg gratings symmetrically located in each arm of a Michelson Interferometer, simulating an add-drop filter, was performed.
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