Optimization of a Waveguide Grating for Normal TM Mode Coupling
β Scribed by N. Destouches; B. Sider; A. V. Tishchenko; O. Parriaux
- Publisher
- Springer
- Year
- 2006
- Tongue
- English
- Weight
- 176 KB
- Volume
- 38
- Category
- Article
- ISSN
- 0306-8919
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π SIMILAR VOLUMES
Based on two inequalities, it is presented that the cut-off wave number of the ( ) lowest order transverse magnetic TM mode of a hollow metallic waveguide of arbitrary cross-section is a function of the area, the perimeter and the inscribed circle radius. The results obtained by the derived formulas
Coupled-mode theory is used to numerically calculate the coupling coefficients between the modes of a tapered fiber and those of a fused-silica microsphere. In the visible and near-infrared wavelength ranges, typical tapered fibers are multimode. To maximize the photon tunneling from the fundamental