Delivering energy to nanoscale: rapid adiabatic transformation, concentration, and stopping of radiation in nano-optics

Mark I. Stockman

doi:10.1117/12.562685

19 October 2004 Delivering energy to nanoscale: rapid adiabatic transformation, concentration, and stopping of radiation in nano-optics

Mark I. Stockman

Author Affiliations +

Proceedings Volume 5512, Plasmonics: Metallic Nanostructures and Their Optical Properties II; (2004) https://doi.org/10.1117/12.562685
Event: Optical Science and Technology, the SPIE 49th Annual Meeting, 2004, Denver, Colorado, United States

Abstract

In nanooptics, we theoretically predict a possibility with high efficiency to deliver electromagnetic energy to and concentrate it on the nanoscale. It is achieved by converting light waves to surface plasmon polaritons (SPP's) and slowly (adiabatically) varying in space dielectric (semiconductor) environment of a metal surface to gradually slow down and completely stop SPP's, converting them to surface plasmons localized on the nanoscale. Though adiabatic, this transformation should be as rapid as possible to minimize the absorption losses in the metal. Another way is to launch SPP's to propagate toward the tip of a tapered plasmonic waveguide. The SPP's are slowed down and asymptotically stopped when they tend to the tip, never actually reaching it (the travel time to the tip is logarithmically divergent). The rapid adiabatic stopping of SPP's causes accumulation of energy and giant local fields at the stopping point. There are multiple applications possible of these phenomena in nanooptics, nanoprobing, and nanomodification.

Citation Download Citation

Mark I. Stockman "Delivering energy to nanoscale: rapid adiabatic transformation, concentration, and stopping of radiation in nano-optics", Proc. SPIE 5512, Plasmonics: Metallic Nanostructures and Their Optical Properties II, (19 October 2004); https://doi.org/10.1117/12.562685

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