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High-density integrated optics
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DOI：10.1109/50.788575.png)
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Abstract
En 中文
This paper presents two-dimensional (2-D) finite difference time domain (FDTD) simulations of low-loss right-angle waveguide bends, T-junctions and crossings, based on high index-contrast waveguides. Such structures are essential for the dense integration of optical components. Excellent performance characteristics are obtained by designing the waveguide intersection regions as low-Q resonant cavities with certain symmetries and small radiation loss. A simple analysis, based on coupled mode theory in time, is used to explain the operation principles and agrees qualitatively with the numerical results.
Keywords:
finite difference time domain (FDTD) methods
integrated optics
optical waveguide components
resonators
waveguide bends
Journal
IF:
4.8
Papers:
1.7W
Citations:
3.8W
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