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    • Keywords


      Photonic heterostructure; graded index; nonlinear materials; optical bistability.

    • Abstract


      The optical properties of a one-dimensional (1D) photonic heterostructure with gradedindex nonlinear materials are demonstrated theoretically. The influence of the gradation profile of the graded-index nonlinear layers on the linear and nonlinear responses of the structure are analysed. It is shown that the 𝑄-factor of the defect mode and the threshold input intensity to achieve the optical bistability in the used photonic heterostructure depend on the gradation profile of the gradedindex nonlinear layers.

    • Author Affiliations


      B Tavakkoly Moghaddam1 S Roshan Entezar2 H Pashei Adl2

      1. Shabestar Branch, Islamic Azad University, Shabestar, Iran
      2. Faculty of Physics, Bahman, University of Tabriz, Tabriz, BoBox: 5167618949, Iran
    • Dates

  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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