折射率-厚度调制布拉格光栅波导

Advances in Optoelectronics and Micro/nano-optics Pub Date : 2010-12-01 DOI:10.1109/AOM.2010.5713554

B. Jafarian, N. Nozhat, N. Granpayeh

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摘要

本文采用时域有限差分(FDTD)方法对不同结构的布拉格光栅波导进行了研究。通过改变光栅的结构，可以实现不同的光子带隙宽度。此外，为了抑制侧波，提出了带隙比同类简单带隙更光滑的apodized等离子体金属-绝缘体-金属(MIM)布拉格光栅波导。

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The apodized index-thickness-modulated Bragg grating waveguide

Different configurations of Bragg grating waveguides have been investigated in this paper by the finite-difference time-domain (FDTD) method. By changing the configuration of the gratings, various photonic band-gap widths can be achieved. Moreover the apodized plasmonic metal-insulator-metal (MIM) Bragg grating waveguides whose bandgaps are smoother than the same kind of simple ones are proposed, in order to suppress the side lobs.

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Advances in Optoelectronics and Micro/nano-optics

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