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Alternative approach of frequency encoding for implementation of tristate Pauli Z gate with PC-SOA assisted photonic band gap crystal

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Abstract

Photonic band gap (PBG) crystal is the platform for the localization of the light beam, which provides a gateway for doing the different types of logic operations by applying some specific configurations on the PBG-crystal using some encoding techniques of inputs and outputs. PBG crystal is also important for the ultrafast Quantum Computation. It has some pioneer characteristics for the periodic arrangement of the dielectric on a particular substrate. The advantages of our proposed tristate Pauli Z gate developed on the photonic band gap crystal (PBG) have high speed optical Switching character. Tristate Pauli Z gate is constructed by the active use of non-linear dielectric rods aligned in the air back substrate having the wafer dimension 15 μm × 15 μm. Implementation of such a proposed scheme gives very low response time (~ ps) and high bit rate (~ Tbps). The compact size of such kind logic device is helpful for the user as a programmable switching device. It provides an all optical system which helps to support the quantum Z-gate operation using the frequency encoding principle.

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The datasets generated during and/or analysed during the current study are available from the corresponding author on reasonable request.

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Funding

The authors acknowledge for the financial support to Suranjan Lakshan and Ayan Dey from the Government of West Bengal to do the work. They acknowledge also the Centre for advance study (CAS) programme running in the Dept. of Physics, The University of Burdwan funded by UGC, GOVT. OF INDIA.

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All authors shared the manuscript equally from the conceptual and theoretical point of view. S.L. and A.D. conducted the simulation experiment and wrote the manuscript. A.D and S.M. reviewed the final form of the manuscript. All authors read and approved the final manuscript.

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Correspondence to Suranjan Lakshan.

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Lakshan, S., Dey, A. & Mukhopadhyay, S. Alternative approach of frequency encoding for implementation of tristate Pauli Z gate with PC-SOA assisted photonic band gap crystal. Opt Quant Electron 55, 613 (2023). https://doi.org/10.1007/s11082-023-04884-9

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  • DOI: https://doi.org/10.1007/s11082-023-04884-9

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