Structural auto-optimization of integrated optical directional coupler polarization splitters and reflectors

Hu, Hongshang; Chen, J.; Yang, Jie; Fan, G. F.

doi:10.1109/jlt.2002.1007942

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Cited by 5 publications

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“…We had did some thing of AOTF before[8][9][10] .Fig.5 and Fig.6 show the calculated optical filter responses curves of the cosine and Gaussian weighting functions for the TE-TM mode conversions. The acoustic frequency is 175.8MHZ and the acoustic power is 10.0mW.…”

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confidence: 99%

Sidelobe suppression of integrated acousto-optic tunable filters with a new weighted coupling algorithm

Jiang

et al. 2005

SPIE Proceedings

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A numerical approach based on the finite element -artificial transmitting boundary method is newly formulated for suppressing the sidelobe of integrated acousto-optic tunable filters with weighted coupling on a piezoelectric substrate.We use cosine and Gaussian weighting functions and obtained relevant response curves of TE-TM mode conversion efficiency. The result shows that the sidelobe can be efficiently suppressed by transforming the weighting function.Conversion of Gaussian weighting function is better than the one of cosine weighting function. The result is agreed with other references.

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confidence: 99%