Reflection compensation scheme for the efficient and accurate computation of waveguide discontinuities in photonic crystals
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Reflection compensation scheme for the efficient and accurate computation of waveguide discontinuities in photonic crystals摘要
We presented a novel method for the accurate and
efficient computation of the reflection and transmission coefficients
of waveguide discontinuities within planar photonic crystals (PhCs).
This method proposes a novel kind of field source that optimally
excites the dominant waveguide mode and mimics procedures that
are typically used for the measurement of reflection coefficients.
This technique may be applied to arbitrary field simulators working
in the frequency domain. The presented reflection compensation
scheme is elucidated along the Method of Auxiliary Sources (MAS).
In order to verify the results, we compare two test cases with the
rigorous connection technique provided by the Multiple Multipole
Method (MMP)
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Table 4
MMP solution MAS solutions
Case R (%) Tl (%) Tr (%) Σ (%) R (%) Tl (%) Tr (%) Σ (%)
Left 35.37 63.38 0.41 99.16 36.38 63.71 0.42 100.51
Right 36.51 0.11 63.24 99.86 36.02 0.11 63.76 99.89
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