Home / Optical Coupler Design and NAND Gate
In this study, a high-speed all-optical NAND logic gate (AO-NAND-LG) was designed and numerically simulated. The simulation was performed using the photonic crystal-semiconductor optical amplifier (.
This paper proposes a two-dimensional photonic crystal structure for designing optical NAND and NOR logic gates using dielectric rods in an air substrate. The simplicity and compact size
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A complete overview of the seven all-optical logic gates (i.e., AND, OR, NOT, XOR, XNOR, NAND, and NOR) based on their design techniques and applications are
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Specifically, we design and simulate optical NAND and NOR logic gates using a two-dimensional photonic crystal structure with a square lattice.
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A novel dual wavelength operated all optical logic operations are demonstrated. The method makes use of bi-directional coupler with unequal lengths of waveguide. The truth table corresponding to the
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Many approaches have been proposed to achieve all-optical logic functions, based on the nonlinear effects either in optical fiber or in semiconductor material. In the
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A complete overview of the seven all-optical logic gates (i.e., AND, OR, NOT, XOR, XNOR, NAND, and NOR) based on their design techniques and
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INTRODUCTION: A novel dual wavelength operated all optical logic operations are demonstrated. The method makes use of bi-directional coupler with unequal lengths of waveguide. The truth table
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In this paper, we present a novel phase-based structure for implementing the all-optical multi-function logic gates. The proposed structure which is composed of three coupled waveguides
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In this paper, two all-optical structures are proposed for designing XOR/AND and XNOR/NAND logic gates using a nonlinear directional coupler. One of the most impor-tant features of the proposed
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We presented a new structure for all-optical logic NAND, NOR and XOR gates based on nonlinear directional coupler and experimentally demonstrated these schemes by using Rsoft''s BeamPROP
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Abstract In this paper a novel all-optical logic NAND, NOR and XOR gate based on nonlinear directional coupler theory is demonstrated. We use the identical structure which contains three waveguides, for
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This study explores optical systems as a promising alternative, leveraging the speed of photons over electrons. Specifically, we design and
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Logic gates are the fundamental building blocks in any digital data processing system. Several all optical logic operations are already proposed by scientists and technologists. Here the authors proposed a
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In the present work we propose a novel method for an all-optical logic operation using a simple bi-directional coupler with unequal length of waveguide. The
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By integrating these devices into fields such as signal processing, chip design, and network computations, it is possible to achieve a much more efficient device. This paper describes the design
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Logic gates are the fundamental building blocks in any digital data processing system. Several all optical logic operations are already proposed by scientists and technologists. Here the
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We propose a very compact structure for all-optical XOR, XNOR, NAND and OR logic gates based on photonic crystal 3-dB coupler in binary-phase-shift-keyed (BPSK) signals.
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Request PDF | Design and analysis of an all-optical NAND logic gate using a photonic crystal semiconductor optical amplifier based on the Mach–Zehnder interferometer structure | In this
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The theory of coupling between different media is well-established, however the field of coupler design is perpetually adapting and developing to meet the evolving demands of optical communication
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This layout is used to design multi-functional optical logic gates, such as OR-NOR-AND-NAND-NOT optical gates. The advantages of these proposed gates are the use of low-power pumps
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Abstract In this study, a high-speed all-optical NAND logic gate (AO-NAND-LG) was designed and numerically simulated. The simulation was performed using the photonic crystal
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We used this design map as a guide to numerically demonstrate the cascadability of our diffractive NAND gate by building all-optical AND and OR gates, as well as a half-adder.
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Abstract: This work represents a novel proposed structure of AND/NAND logic gate based on photonic crystal ring resonator with nonlinear Kerr effect, Sicarbide is the nonlinear material applicated in this
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cascaded these diffractive NAND gates to perform complex logical functions by successively eeding the output o cascadability of our diffractive NAND gates by using identical diffractive designs to all- ally
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PDF | On May 8, 2021, Mohamed K Emara published A Review of Optical Coupler Theory, Techniques, and Applications | Find, read and cite all the research you
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Fig Simulation result of optical NAND gate at left and Optical AND gate at right In conclusion we proposed a novel method for all optical logic operation using simple bi-directional coupler with
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Universal logic gates are the most essential logic gates because they enable the optimum design of numerous types of sophisticated digital logic circuits. In this article, a new and
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