Performance evaluation of all-optical NOT, XOR, NOR, and XNOR logic gates based on 2D nonlinear resonant cavity photonic crystals

All-optical logic gates are indispensable elements in optical devices and optical computing. Our logic gates are based on bidimensional photonic crystals, where the pillars radius and lattice constant are chosen in such a way that the logic gates are actuated at the wavelength of 1550 nm. The contra...

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Bibliographic Details
Published in:Optical and quantum electronics 2021-12, Vol.53 (12), Article 701
Main Authors: Elhachemi, Kouddad, Naoum, Rafah, Vigneswaran, D., Maheswar, R.
Format: Article
Language:English
Subjects:
Characterization and Evaluation of Materials
Computer Communication Networks
Crystal lattices
Data transmission
Electrical Engineering
Gates
Lasers
Lattice parameters
Logic circuits
Optical Devices
Optics
Performance evaluation
Photonic crystals
Photonics
Physics
Physics and Astronomy
Response time
Transmission rate (communications)
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Summary:All-optical logic gates are indispensable elements in optical devices and optical computing. Our logic gates are based on bidimensional photonic crystals, where the pillars radius and lattice constant are chosen in such a way that the logic gates are actuated at the wavelength of 1550 nm. The contrast ratios for the NOT, XOR, NOR, and XNOR gates are 26.82 dB, 26.77 dB, 8.34 dB, and 20.17 dB respectively. The response time of the different logic gates is approximately 8.5 ps, resulting in a data transmission rate of 0.117 Tb/s. One of the advantages of our study, from the logic gate NOT we could design all the other gates such as XOR, NOR, and XNOR.
ISSN:0306-8919
1572-817X
DOI:10.1007/s11082-021-03354-4