Analysis of Polarization Splitters Composed of Multilayer Thin-Film Waveguides Using the Beam-Propagation Method Based on Yee's Mesh
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概要
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Multilayer thin-film waveguides (MTFWs) are analyzedusing the beam-propagation method based on Yee's mesh.The birefringence properties of the MTFW are demonstrated bythe eigenmode analysis based on the imaginary-distance procedure.Taking advantage of the birefringence, a polarization splittercomposed of two parallel MTFWs is proposed. Calculation showsthat a short device length of 270 μm is obtainable with crosstalksof －33.5 dB for the quasi-transverse-electric mode and －20.7 dBfor the quasi-transverse-magnetic mode. A crossing-type polarizationsplitter is also developed, and the device length is furtherreduced to 120 μm.
- IEEEの論文
- 2007-09-00
IEEE | 論文
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