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All-optical binary flip-flop with the help of Terahertz Optical Asymmetric Demultiplexer

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Abstract

The memory device is very important as they store various values either temporary or permanently. Optical flip-flop memories form a fundamental building block for all-optical packet switches in the next generation communication networks. All-optical flip-flop memory with the help of Terahertz Optical Asymmetric Demultiplexer (TOAD) is proposed and described. Principles and possibilities of all-optical circuits for TOAD based S–R, J–K, D and T flip-flop are reported. Numerical simulation confirming described method is also given in this paper.

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Acknowledgements

Authors gratefully acknowledge the important and valuable suggestions given by the reviewers regarding this paper.

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Authors and Affiliations

  1. Calcutta Institute of Technology, Uluberia, Howrah, West Bengal, India

    Goutam Kumar Maity

  2. Department of Physics, College of Engineering and Management, Kolaghat KTPP Township, Midnapur (East), 721171, West Bengal, India

    Tanay Chattopadhyay, Anup Kumar Maiti & Jitendra Nath Roy

  3. Department of Computer Science, College of Engineering and Management, Kolaghat KTPP Township, Midnapur (East), 721171, West Bengal, India

    Dilip Kumar Gayen

  4. Department of Physics, Bankura Christian College, Bankura, West Bengal, India

    Chinmoy Taraphdar

  5. Department of Information Technology, Bengal Engineering College and Science University, Shibpur, Howrah, West Bengal, India

    Santi Prasad Maity

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  1. Goutam Kumar Maity
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  2. Tanay Chattopadhyay
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  7. Jitendra Nath Roy
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Correspondence to Jitendra Nath Roy.

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Maity, G.K., Chattopadhyay, T., Gayen, D.K. et al. All-optical binary flip-flop with the help of Terahertz Optical Asymmetric Demultiplexer. Nat Comput 9, 903–916 (2010). https://doi.org/10.1007/s11047-009-9162-8

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