Electromagnetic surface waves in semi-infinite superlattices
| Autor: | G. Gonzalez de la Cruz, Xóchitl I. Saldaña |
|---|---|
| Rok vydání: | 1991 |
| Předmět: |
Physics
Condensed matter physics Wave propagation business.industry Superlattice Electromagnetic radiation Atomic and Molecular Physics and Optics Electronic Optical and Magnetic Materials Transverse mode symbols.namesake Optics Maxwell's equations Surface wave Dispersion relation Electric field symbols Computer Vision and Pattern Recognition business |
| Zdroj: | Journal of the Optical Society of America A. 8:36 |
| ISSN: | 1520-8532 1084-7529 |
| DOI: | 10.1364/josaa.8.000036 |
| Popis: | Analytical expressions describing the propagation of surface waves for both transverse-electric and transverse-magnetic fields in semi-infinite superlattice structures are obtained. The modes are characterized by electric fields that decay exponentially in the region of lower refractive index while being oscillatory in the region of greater refractive index, and both are modulated by an envelope function that decays exponentially away from the end of the truncated superlattice. A criterion for the existence of the surface modes is developed. Numerical results are presented for several illustrative cases. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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