准平坦传输带混合波导的设计与建模

2008 International Symposium on High Capacity Optical Networks and Enabling Technologies Pub Date : 2008-11-01 DOI:10.1109/HONET.2008.4810245

K. Fasihi, S. Nejad

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引用次数: 0

摘要

提出了具有准平坦传输带的光子晶体混合波导的设计和建模方法。采用时域有限差分(FDTD)和耦合模理论(CMT)方法对方形晶格的PC混合波导进行了仿真。研究了不同耦合腔半径下混合波导的带宽。用时域有限差分法模拟了200-fs脉冲在1550 nm处的传输，传输的脉冲畸变很小。

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Design and Modeling of Hybrid Waveguides with Quasi-Flat Transmission Band

We present design and modeling of photonic crystal (PC) hybrid waveguides with quasi-flat transmission band. The finite-difference time-domain (FDTD) and coupled-mode theory (CMT) methods are used to simulate the PC hybrid waveguide of square lattice. The bandwidth of the hybrid waveguide is investigated for different radius of the coupled cavities. The transmission of a 200-fs pulse at 1550 nm is simulated by using the FDTD method, and the transmitted pulse shows very little distortion.

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2008 International Symposium on High Capacity Optical Networks and Enabling Technologies

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