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Updated: Jun 6, 2026

Fabrication and Characterization of Disordered Polymer Optical Fibers for Transverse Anderson Localization of Light
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Fabrication and Characterization of Disordered Polymer Optical Fibers for Transverse Anderson Localization of Light

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Modeling photobleached optical polymer waveguides.

J Ma, S Lin, W Feng

    Applied Optics
    |November 10, 2010
    PubMed
    Summary
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    This study presents a photobleaching model for nonlinear optical polymer waveguides. The model accurately predicts the refractive index profile, aiding in the design of electro-optical devices like optical switches and modulators.

    Area of Science:

    • Photonics and Materials Science
    • Nonlinear Optics
    • Polymer Waveguide Fabrication

    Background:

    • Photobleaching is an efficient method for creating nonlinear optical polymer channel waveguides.
    • Precise control over the refractive index profile is crucial for designing high-performance electro-optical devices.
    • Accurate modeling of the photobleaching process is essential for device optimization.

    Purpose of the Study:

    • To develop a phenomenological model for the photobleaching process in polymer channel waveguides.
    • To predict the refractive index profile of waveguides fabricated by photobleaching.
    • To establish design rules for active optical switches and modulators based on the developed model.

    Main Methods:

    • Development of a phenomenological bleaching model incorporating a stretched exponential time dependency.

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  • Calculation of the effective refractive index using the developed model.
  • Experimental verification using prism-coupling techniques to measure the effective index.

    • Main Results:

    • The phenomenological bleaching model successfully predicts the refractive index profile of polymer channel waveguides.
    • The model demonstrates good agreement between calculated and experimentally measured effective indices.
    • Design rules for active optical switches and modulators were derived from the model.

    Conclusions:

    • The developed photobleaching model provides accurate predictions for polymer channel waveguide fabrication.
    • The model facilitates the design and improvement of active electro-optical devices.
    • Experimental validation confirms the model's reliability for optical switch and modulator applications.