Beam Propagation Analysis of Ridge-type Ti:LiNbO3 Y-junction Waveguides

Lee, Keh-Yi; Chang, Gao-Deh; Wang, Hseng-Tsong; Lin, Yih-Jyh

doi:10.1515/joc.2000.21.4.125

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2003

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“…In this work, we propose several new designs to reduce the widths and areas of the filtering devices. And the optical characteristics and performances of our proposed filters are analyzed and presented by the FDBPM with the Runge-Kutta algorithm (RKBPM) because RKBPM is an efficient and simple technique of designing optical waveguides [5][6][7][8][9].…”

Section: Introductionmentioning

confidence: 99%

A Comparison of three Novel Optical Wavelength Filters with Cascaded Directional Couplers

Lee¹,

Chang²

2003

Journal of Optical Communications

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We compare three novel structures of optical wavelength filters. They are composed of cascaded directional couplers. The improved filtering devices have narrower lateral widths and occupy smaller areas than our original design. And their optical characteristics and performances are analyzed by the finite difference beam propagation method employing the Runge-Kutta method (RKBPM). The simulation results shows that these new types of filters have better suppression of lightwave components at short wavelengths.

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