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Numerical investigation of all optical SR flip-flop using plasmonic metal–insulator-metal (MIM) waveguides

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Abstract

The metal–insulator-metal (MIM) plasmonic waveguides plays an important role in confining the surface plasmons to deep subwavelength scale. In this work, S-shaped and linear MIM waveguides have been used to model the nonlinear Mach–Zehnder interferometer (MZI), that is further used to cascade the circuit of SR flip-flop. The MEH-PPV [poly(2-methoxy-5-(28-ethylhexyloxy)-PPV)] is used as nonlinear material in one of the linear arm of MZI, to introduce the Kerr effect. The Kerr effect is helpful to initiate the phenomenon of constructive and destructive interference in MZI. The occurrence of constructive and destructive interference is helpful to switch the optical signal across its output port. The analysis of proposed device is carried out at the operating wavelength of 1.55 µm with perfect matched layer (PML) as boundary condition for all the interfaces. The numerical investigation of SR flip-flop is done by using finite difference time domain (FDTD) method. The obtained results of SR flip flop are encouraging to design all other optical flip flop circuits.

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Acknowledgements

Authors would like to thank Dr. N. Venkatram, Pro Vice Chancellor, KL University and Dr. S. P. Gupta, Vice Chancellor, University of Engineering and Technology Roorkee (UETR) for their regular support and motivation during the work.

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Authors and Affiliations

  1. Department of ECE, Koneru Lakshmaiah Education Foundation, Vaddeswaram, Andra Pradesh, 522002, India

    Lokendra Singh

  2. Department of Information Technology, MES’s Pillai College of Engineering (Autonomous), New Panvel, Navi Mumbai, Maharashtra, 410206, India

    Niteshkumar Agrawal

  3. Department of Computer Science and Engineering, College of Engineering Roorkee (COER), Roorkee, Haridwar, Uttarakhand, 247667, India

    Kamal Kumar Gola

  4. Department of Avionics, Indian Institute of Space Science and Technology, Thiruvananthapuram, Kerala, 695547, India

    Chinmoy Saha

  5. Department of Electronics and Communication Engineering, Vishnu Institute of Technology, Bhimavaram, Andhra Pradesh, 534201, India

    Prakash Pareek

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  1. Lokendra Singh
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  2. Niteshkumar Agrawal
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  3. Kamal Kumar Gola
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  4. Chinmoy Saha
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  5. Prakash Pareek
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Contributions

LS develop the idea and drafted the manuscript. NKA revised the draft file of manuscript. KKG and PP made and modified the figures and layout designs. CS finalized the draft file of manuscript.

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Correspondence to Lokendra Singh.

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Singh, L., Agrawal, N., Gola, K.K. et al. Numerical investigation of all optical SR flip-flop using plasmonic metal–insulator-metal (MIM) waveguides. Opt Quant Electron 54, 381 (2022). https://doi.org/10.1007/s11082-022-03666-z

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