2021
DOI: 10.3390/photonics8090392
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Proposal of a Cascade Photonic Crystal XOR Logic Gate for Optical Integrated Circuits with Investigation of Fabrication Error and Optical Power Changes

Abstract: A compact and simple structure is designed to create an all-optical XOR logic gate using a two-dimensional, photonic crystal lattice. The structure was implemented using three waveguides connected by two nano-resonators. The plane wave expansion method was used to obtain the photonic band gap and the finite-difference time-domain method was used to investigate the behavior of the electromagnetic field in the photonic crystal structure. Examining the high contrast ratio and high-speed cascade, all-optical XOR o… Show more

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Cited by 9 publications
(2 citation statements)
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“…Furthermore, the performance of proposed design is also analyzed by finding out insertion loss, based on the obtained values from the simulation results. The insertion loss [31], [32], [33] is calculated by…”
Section: Performance Analysismentioning
confidence: 99%
“…Furthermore, the performance of proposed design is also analyzed by finding out insertion loss, based on the obtained values from the simulation results. The insertion loss [31], [32], [33] is calculated by…”
Section: Performance Analysismentioning
confidence: 99%
“…As a matter of fact, a variety of optical techniques have been applied to make optic logic gates, such as photonic crystals [18,19], plasmonic waveguides [20], silicon waveguides [21][22][23], metasurfaces [24].In addition to these techniques, single-pixel imaging [25] and semiconductor optical amplifiers [26] are examples. The study of optical logic gates is of importance and relevance because optical logic gate operations are regarded as the most fundamental issue regarding all-optical information processing systems.…”
Section: Introductionmentioning
confidence: 99%