Design and analysis of a photonic crystal-based all-optical 3-input OR gate for high-speed optical processing

The implementation of an optimized three-input OR gate has been accomplished through the use of T-shaped two-dimensional photonic crystals, which are made of silicon material submerged in an air background. Several parameters, such as refractive indices and radius, have been varied and the ON-to-OFF...

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Bibliographic Details
Published in:Optical and quantum electronics 2021-12, Vol.53 (12), Article 720
Main Authors: Priya, Noonepalle Hari, Swarnakar, Sandip, Krishna, Sabbi Vamshi, Kumar, Santosh
Format: Article
Language:English
Subjects:
Characterization and Evaluation of Materials
Computer Communication Networks
Electric fields
Electrical Engineering
Finite difference method
Insertion loss
Lasers
Optical communication
Optical Devices
Optics
Parameters
Photonic crystals
Photonics
Physics
Physics and Astronomy
Refractivity
Response time
Signal processing
Time domain analysis
Transmission efficiency
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Summary:The implementation of an optimized three-input OR gate has been accomplished through the use of T-shaped two-dimensional photonic crystals, which are made of silicon material submerged in an air background. Several parameters, such as refractive indices and radius, have been varied and the ON-to-OFF contrast ratios for the various parameters have been compared in order to reduce the probability of an error in the designed structure being produced. The simulation has been carried out for various combinations of OR gate and electric field intensities have been calculated at a specific wavelength of 1550 nm using the Finite-difference-time-domain method. Furthermore, the designed structure has achieved a contrast ratio of approximately 8.66 dB, a response time of 12 fs, transmission efficiency for the minimum and maximum values of 23% and 169%, insertion loss of 2.27 dB, and an operating speed of 83.3 Tbps, making it suitable for use in optical signal processing.
ISSN:0306-8919
1572-817X
DOI:10.1007/s11082-021-03374-0