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Photonic potential for TM waves.

Alessandro Alberucci, Chandroth P Jisha, Stefan Nolte

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    We introduce an effective photonic potential for TM waves in inhomogeneous media. This model simplifies understanding form birefringence for designing nanoscale optical waveguides and nanophotonic devices.

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    Area of Science:

    • Photonics
    • Optical Engineering
    • Materials Science

    Background:

    • Understanding wave propagation in inhomogeneous media is crucial for advanced optical devices.
    • Form birefringence in nanostructures presents unique design opportunities.
    • Current methods for designing nanoscale optical waveguides can be complex.

    Purpose of the Study:

    • To develop an effective photonic potential model for TM waves in inhomogeneous isotropic media.
    • To provide an intuitive framework for understanding form birefringence.
    • To explore applications in designing nanophotonic devices like waveguides and wave plates.

    Main Methods:

    • Formulation of the effective photonic potential.
    • Analysis of TM wave propagation in inhomogeneous media.
    • Theoretical investigation of form birefringence effects.

    Main Results:

    • The proposed model offers a simplified comprehension of form birefringence.
    • It enables a novel approach to designing graded-index optical waveguides at the nanoscale.
    • Demonstrated applicability to integrated nanoscale wave plates and slot waveguides.

    Conclusions:

    • The effective photonic potential is a powerful tool for analyzing wave propagation in complex media.
    • This work facilitates the design of next-generation nanophotonic devices.
    • The intuitive model aids in the development of novel optical functionalities on the nanoscale.