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<p>All-optical high-speed data transmission will be more error-free by utilising Gray codes which exhibit the unique characteristic of having only one bit difference between successive codes. In this article, the author proposed a new technique for developing optically controlled binary to Gray code converter and vice versa using reversible logic gates. As the information loss at the output-end of a conventional logic gate leads to heat generation, the reversible logic gate is a suitable alternative for developing a high-speed large-scale integrated circuit. Here, the author first developed an optically controlled reversible Feynman gate using micro-ring resonators (MRRs). The MRR-based optical circuits are compatible in all-optical networks due to different advantageous aspects like photonics integration potential, low cost, high switching speed, easy to fabric, simple switching mechanism, etc. Feynman gate is a reversible logic gate with quantum cost 1, thereby reducing the circuit complexity of the proposed schemes. The whole scheme is wavelength encoded. The author simulated the theoretical model using MATLAB software. The reliability and dependability of the proposed schemes are reinforced by the consistent simulation outcomes. In this article, the proposed schemes were operated under ultra-fast switching (near about 2.5&#xa0;ps) and these showed a good ON–OFF contrast ratio (more than 16&#xa0;dB). Therefore, the proposed wavelength-encoded schemes are anticipated to facilitate the development of an ultra-high-speed communication network with enhanced reliability and accuracy.</p>

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Design of optically controlled binary to gray code and vice versa converters with Feynman gates using nonlinear micro-ring resonators

  • 期刊论文

  • 发表日期：

    2025年7月3日

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  • Dhoumendra Mandal

摘要

All-optical high-speed data transmission will be more error-free by utilising Gray codes which exhibit the unique characteristic of having only one bit difference between successive codes. In this article, the author proposed a new technique for developing optically controlled binary to Gray code converter and vice versa using reversible logic gates. As the information loss at the output-end of a conventional logic gate leads to heat generation, the reversible logic gate is a suitable alternative for developing a high-speed large-scale integrated circuit. Here, the author first developed an optically controlled reversible Feynman gate using micro-ring resonators (MRRs). The MRR-based optical circuits are compatible in all-optical networks due to different advantageous aspects like photonics integration potential, low cost, high switching speed, easy to fabric, simple switching mechanism, etc. Feynman gate is a reversible logic gate with quantum cost 1, thereby reducing the circuit complexity of the proposed schemes. The whole scheme is wavelength encoded. The author simulated the theoretical model using MATLAB software. The reliability and dependability of the proposed schemes are reinforced by the consistent simulation outcomes. In this article, the proposed schemes were operated under ultra-fast switching (near about 2.5 ps) and these showed a good ON–OFF contrast ratio (more than 16 dB). Therefore, the proposed wavelength-encoded schemes are anticipated to facilitate the development of an ultra-high-speed communication network with enhanced reliability and accuracy.