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A versatile all-optical parity-time signal processing device using a Bragg grating induced using positive and negative Kerr-nonlinearity

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Abstract

The properties of gratings with Kerr nonlinearity and PT symmetry are investigated in this paper. The impact of the gain and loss saturation on the response of the grating is analysed for different input intensities and gain/loss parameters. Potential applications of these gratings as switches, logic gates and amplifiers are also shown.

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Authors and Affiliations

  1. Faculty of Engineering, The George Green Institute for Electromagnetics Research, University of Nottingham, University Park, Nottingham, NG7 2RD, UK

    S. Phang, A. Vukovic, T. M. Benson & P. Sewell

  2. Department of Mathematical Sciences, University of Essex, Colchester, CO4 3SQ, UK

    H. Susanto

Authors
  1. S. Phang
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  2. A. Vukovic
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  3. T. M. Benson
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  4. H. Susanto
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  5. P. Sewell
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Correspondence to S. Phang.

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Phang, S., Vukovic, A., Benson, T.M. et al. A versatile all-optical parity-time signal processing device using a Bragg grating induced using positive and negative Kerr-nonlinearity. Opt Quant Electron 47, 37–47 (2015). https://doi.org/10.1007/s11082-014-0012-2

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  • DOI: https://doi.org/10.1007/s11082-014-0012-2

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