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Tapered beam propagation

Tapered beam propagation

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A novel beam propagation algorithm is presented that eliminates errors caused by modelling tapered optical structures with staircase approximations. In consequence, highly accurate results are obtained with a substantial improvement in computational efficiency. The algorithm is developed from a nonorthogonal co-ordinate system that intrinsically describes the taper geometry and can be implemented using conventional beam propagation techniques.

References

    1. 1)
      • Radiation loss of tapered dielectric slab waveguides
    2. 2)
      • Index-and-dimensionaltaper and its application to photonic devices
    3. 3)
      • Design of single-mode step taperedwaveguide sections
    4. 4)
      • Intrinsic mode theory of taperedoptical waveguides
    5. 5)
      • Intrinsic modes in tapered opticalwaveguides
    6. 6)
      • Fields of transverse electric waves in dielectric slab tapers
    7. 7)
      • Exact numerical technique for theanalysis of step discontinuities and tapers in optical dielectric waveguides
    8. 8)
      • Free space radiation mode method forthe analysis of propagation in optical waveguide devices
    9. 9)
      • Propagating beam analysis ofmultimode waveguide tapers
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