Surface-PlasmonoDielectric-polaritonic devices and systems
There is provided a structure for supporting propagation of surface plasmon polaritons. The structure includes a plasmonic material region and a dielectric material region, disposed adjacent to a selected surface of the plasmonic material region. At least one of the plasmonic material region and the dielectric material region have a dielectric permittivity distribution that is specified as a function of depth through the corresponding material region. This dielectric permittivity distribution is selected to impose prespecified group velocities, v.sub.gj, on a dispersion relation for a surface polaritonic mode of the structure for at least one of a corresponding set of prespecified frequencies, .omega..sub.j, and corresponding set of prespecified wavevectors, where j=1 to N.
- Research Organization:
- Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- FG02-99ER45778
- Assignee:
- Massachusetts Institute of Technology (Cambridge, MA)
- Patent Number(s):
- 8,472,771
- Application Number:
- 12/421,207
- OSTI ID:
- 1086946
- Country of Publication:
- United States
- Language:
- English
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