The imaginary-distance method is applied to an improved finite-difference beam propagation method (IFD-BPM) based on the generalized Douglas method in order to carry out eigenvalue analysis of an optical waveguide. First, we formulate the IFD-BPM to include the polarization dependence. The imaginary
THREE-DIMENSIONAL FULL-VECTOR ANALYSIS OF OPTICAL WAVEGUIDES BY FINITE-INTEGRATION BEAM-PROPAGATION METHOD (FIBPM)
โ Scribed by M. NIEDERHOFF; W. HEINRICH; P. RUSSER
- Publisher
- John Wiley and Sons
- Year
- 1996
- Tongue
- English
- Weight
- 795 KB
- Volume
- 9
- Category
- Article
- ISSN
- 0894-3370
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โฆ Synopsis
In the paper a novel finite-integration beam-propagation method (FIBPM) is presented. This method is especially suited for the simulation of optical waveguides containing extremely thin layers of complex permittivity. For calculating the propagating optical field an efficient algorithm based on expansion of the matrix exponential in Chebyshev polynomials is applied. The derivation of the propagation algorithm is given, also detailing the convergence criteria. A code for a massively parallel computer has been developed and applied successfully to complex waveguide shuctures used for high-power laser diodes
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