An Modified Finite-Difference Beam Propagation Method

[in Chinese]; [in Chinese]; [in Chinese]

Chinese Journal of Lasers, Volume. 32, Issue 4, 511(2005)

[in Chinese]^*, [in Chinese], and [in Chinese]

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According to the more accurate Helmholtz equation, the conventional finite-difference beam propagation method (FD-BPM) is modified and a new algorithm is proposed. Compared with the old algorithm in calculation of slab waveguide, the calculated precision is improved without extending culculating time for the new algorithm

Keywords

Crank-Nicholson scheme Helmholtz equation modified finite-difference beam propagation metho Talor series expansion guided wave optics

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[in Chinese], [in Chinese], [in Chinese]. An Modified Finite-Difference Beam Propagation Method[J]. Chinese Journal of Lasers, 2005, 32(4): 511

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