Finite element-artificial transmitting method for AOTFs with weighted coupling

Yue-hong Zhu; Hai Qi; Li-ping Jia

doi:10.1117/12.633125

24 October 2005 Finite element-artificial transmitting method for AOTFs with weighted coupling

Yue-hong Zhu, Hai Qi, Li-ping Jia

Author Affiliations +

Proceedings Volume 6014, Active and Passive Optical Components for WDM Communications V; 60141C (2005) https://doi.org/10.1117/12.633125
Event: Optics East 2005, 2005, Boston, MA, United States

Abstract

A finite element method with artificial transmitting boundary incorporated is firstly applied for acousto-optic tunable filters (AOTF) with weighted coupling. Here, two kinds of weighting function are considered, one is Cosine function, the other is Gaussian function. And the numerical results are shown for AOTF with a tapered acoustical directional coupler with different weighing function on a LiNbO₃ substrate. Through comparison, the optical filter responses of the TE-TM mode conversions of AOTF with Gaussian weighting function are better than AOTF with Cosine weighting function. The results are in good agree with others, which illustrates this method is useful in calculation on AOTF.

Citation Download Citation

Yue-hong Zhu, Hai Qi, and Li-ping Jia "Finite element-artificial transmitting method for AOTFs with weighted coupling", Proc. SPIE 6014, Active and Passive Optical Components for WDM Communications V, 60141C (24 October 2005); https://doi.org/10.1117/12.633125

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