Diffused waveguides: mode perturbation by thin-film cladding

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Diffused waveguides: mode perturbation by thin-film cladding

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© The Institution of Electrical Engineers
Published

Normalised parameter plots are given enabling prediction of propagation-constant perturbation in diffused optical waveguides due to a thick dielectric cladding. Refractive-index profiles of Gaussian and complementary-error-function form are treated. The variation of the number of propagating modes with time of diffusion is derived.

Inspec keywords: optical waveguides

Other keywords: mode perturbation; thin film cladding; diffused optical waveguides

Subjects: Optical waveguides; Optical waveguides and couplers

References

    1. 1)
      • H. Kogelnik , V. Ramaswamy . Scaling rules for thin-film optical waveguides. Indiffused waveguides: effects of thin film overlays , 1857 - 1862
    2. 2)
      • G.B. Hocker , W.K. Burns . Modes in diffused waveguides of arbitrary index profile. IEEE J. Quantum Electron. , 270 - 276
    3. 3)
      • J.F. Weller , T.G. Giallorenzi . Indiffused waveguides: effects of thin film overlays. Appl. Opt. , 2329 - 2330
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